Sierra Games

Skyfox II: The Cygnus Conflict

Last updated: October 19, 2026

Overview

Skyfox II: The Cygnus Conflict is a first-person space combat game developed by Dynamix and published by Electronic Arts. It appeared first on the Commodore 64, which MobyGames dates to December 1987 in the US, and was followed by MS-DOS and Amiga versions in 1988 and an Atari ST version in 1989.12 The player flies a Skyfox II warp fighter for the Terran Federation, taking on ten separate missions against the alien Xenomorphs in the Cygnus star system.34

It is a sequel to Ray Tobey’s Skyfox (1984), but Tobey did not work on it. Dynamix developed it for Electronic Arts.25 The game predates Sierra’s 1990 purchase of Dynamix, and Sierra never published it. SierraVault covers it because the vault’s inclusion criteria take in Dynamix’s complete catalog.6

Reviews were mixed. Dragon gave the Commodore 64 version four stars out of five and called it “a must-buy for C64/128 arcade gamers”, and The Games Machine gave it 85%.78 British Commodore magazines were cooler. Zzap!64 scored it 67%, and Commodore User’s reviewer concluded that it “suffers from an excess of realism and a lack of fun”.910

Story Summary

The manual is written as a Federation dispatch marked “WARPWARRIOR EYES ONLY!”. The Xenomorphs once tried to conquer the Terran Federation’s colonies and were beaten back, “due in large part to the amazing Skyfox warplane”, then contained in their home system of Cygnus. Now they are rising again, and Federation engineers have issued every Warpwarrior a new Skyfox II warp fighter to deal with “each Cygnus conflict as it arises”.3

There is no continuous plot. Each of the ten missions is a self-contained “conflict” described in the manual:3

  1. Xenomorph Uprising: destroy the attacking battlegroups and their starbase, Zebra.
  2. Incoming: stop missiles coming through Asteroid Alley and destroy their launch point.
  3. Intruder Alert: hunt down an invading battlegroup.
  4. Guardian: escort a damaged frigate from starbase Madrid to Havana.
  5. Grizzly Encounter: stop a convoy carrying a secret weapon.
  6. Diplomatic Immunity: protect Ambassador Grace on the way to a peace summit.
  7. War!: defend Federation territory against a full invasion.
  8. Spy Versus Xenomorphs: slip into Xeno HQ, intercept a transmission and bring it home.
  9. Xenomorph Juggernaut: destroy a “massive death base” before the final assault.
  10. The Boondock Expedition: a long trip to find the lost starbase Boondockia.

Gameplay

Interface and Controls

Flight is by joystick, which the manual says was designed to handle “as much like the original Skyfox fighter as possible”. The keyboard carries the rest of the ship’s functions.3 Computer Gaming World’s reviewer counted 28 command keys to learn “in order to gain any real competence”.4

  • Neutron disruptors: the main gun, powered by the ship’s nuclear cells.3
  • Photon pulse bombs: limited, self-contained torpedoes that lock onto a visible enemy. The manual says they are the only reliable way to destroy a starbase.3
  • Anti-matter mines: dropped from the rear, timed to explode or detonate on contact.3
  • HUD: locks onto the nearest ship or starbase within medium range and shows an arrow toward it. Its ring changes colour with range.34
  • Scan monitor: switches between long, medium and short range and fore and aft views.3
  • Deceptor device: an invisibility screen that drains energy and drops whenever the player fires.3
  • Speed: set with the number keys, from 0 to 9,000 kilometres per second.3

Structure and Progression

Play starts at the “Federation computer”, where the player picks a mission, reads its description, views the ship’s specifications and sets a risk level: Cadet, Wingman, Flight Leader, Squadron Commander or Ace of the Base.3 After each mission a summary and an evaluation screen report how the player did.38

Travel across Cygnus uses an overview map and autopilot, but the autopilot will not steer around asteroids. Wormholes act as shortcuts across the system, though Computer Gaming World warned that Xenomorphs “frequently lurk near the egress points”.34 To repair and rearm, the player slows to about 1,000 kilometres per second near a friendly starbase and docks. Repairs take time, and the Xenomorphs may attack the starbase before they are finished.34

Puzzles and Mechanics

There are no puzzles. The docking procedure doubles as copy protection: the player must find the selected starbase on the printed map of Cygnus and type in the first four letters of its name.3 Computer Gaming World noted that the map was printed “on navy blue paper with navy blue ink”, which made it hard to photocopy.4 Compute!‘s Gazette found the map hard to read too, “dark blue on darker blue”, though the same map can be called up on screen.12

Reception

Contemporary Reviews

PublicationDateVersionVerdict
Computer Gaming World (Yung Min Choi)March 1988Commodore 64Positive4
Commodore User (Bill Scolding)March 1988Commodore 646/10108
The Games MachineMarch 1988Commodore 6485%8
Zzap!64 (Gordon Houghton, Steve Jarratt)April 1988Commodore 6467%9
Dragon (Hartley, Patricia and Kirk Lesser)May 1988Commodore 644/5 stars7
Compute!‘s Gazette (Ervin Bobo)June 1988Commodore 64Positive12
The Games MachineIssue 9MS-DOS77%13
Génération 4November 1988Amiga79/10014
TiltNovember 1988Amiga16/2014
Computer Gaming World wargame surveyJanuary 1994All1+ stars out of 5152

Yung Min Choi’s Computer Gaming World review found “the graphics are attractive and efficient; the game offers plenty of action, regardless of what level players choose to play at; and the weapon system offers enough diversity to keep players from becoming bored with simply pushing the joystick button”. He wrote that “Those who enjoyed Arcticfox and the original Skyfox will enjoy Skyfox II even more”, while noting that players need not have tried the earlier games.4

Dragon’s Lessers were the most enthusiastic: “Of all the arcade/strategy/flight simulation games we’ve played on the C64/128, this is by far the finest as far as flicker-free animation and special effects are concerned.” They thought a couple of scenarios, especially “Intruder Alert”, were “a little weak”.7 Ervin Bobo of Compute!‘s Gazette introduced Dynamix as “the wonderful folks who brought you Arctic Fox”, rated the graphics excellent, the sound good and the documentation average, and concluded that while “the original Skyfox is difficult to beat”, Skyfox II “certainly matches it in speed and slam-bang action”.12

The Games Machine reviewed the Commodore 64 version in its March 1988 issue under the headline “A Warp on the Wild Side”, presenting it as part of Electronic Arts’ push into the British market alongside The Train.16 Lemon64 records its score as 85%.8 Other British reviews were more guarded. Zzap!64 wrote that Skyfox II “has all the potential for a great game, but is spoiled by a couple of irritating features”. The reviewers praised its presentation but found long stretches with little to do but dodge asteroids, and called it “Entertaining, but hardly essential”.9 Commodore User’s Bill Scolding complained that some missions were very short (one lasted 29 seconds) while longer ones meant “endless showers of meteorites”. He concluded: “Flawlessly presented and handsomely packaged, Skyfox II suffers from an excess of realism and a lack of fun.”10

Modern Assessment

Lemon64’s aggregate of six Commodore 64 magazine reviews, including Swedish Datormagazin (3.5/5), Info (3.5/5) and German Power Play (4/10), is 65%.8 In its January 1994 survey of wargames set between 1950 and 2000, Computer Gaming World listed it with a one-plus-star rating and the one-line description “The sequel.”15 Jimmy Maher’s history of Dynamix names it first among the “3D blast-em games” that followed Arcticfox.17

Development

Origins

The first Skyfox was written by Ray Tobey for the Apple II and published by Electronic Arts in 1984. According to Wikipedia, by the end of 1987 it was Electronic Arts’ best-selling Commodore 64 game.5 Dynamix had already worked on the original: MobyGames credits Tobey’s company as developer of Skyfox and Dynamix with porting it to the Amiga, Atari ST and Macintosh in 1986, and Computer Gaming World’s 1990 report on the Sierra purchase counted Skyfox among the games Dynamix had made for Electronic Arts.18196 By then Dynamix was an established Electronic Arts developer on the strength of Arcticfox (1986).17 Compute!‘s Gazette noted that Electronic Arts “has chosen the 64 for the debut of Skyfox II”.12

Production

MobyGames’ credits for the Commodore 64 version name Kevin Ryan, Damon Slye and Jeffrey Tunnell as creators; John Burton and Dariusz Lukaszuk for artwork; and David Warhol for sound and music.11 The manual credits list Jeff Tunnell as software designer and Kevin Ryan as programmer, with Richard Hilleman as associate producer. Dan Quarnstrom did the package illustration, and David K. Simerly and Larry Hall wrote the documentation.11 Computer Gaming World’s review box also gave Jeff Tunnell as designer.4 The box carried the line “The fox is back … at Warp Speed!”4

Technical Specifications

  • Commodore 64: joystick in port 2, loaded with LOAD "EA",8,1. The manual asks for all cartridges and peripherals to be disconnected, and C128 owners must use C64 mode.3 Bobo noted it needs so much memory that it “will probably not run until you’ve disconnected your printer, second disk drive, and any other peripherals”.12
  • MS-DOS: 8088 or better, 384 KB RAM, CGA or EGA, PC speaker, keyboard, on 3.5” and 5.25” disks.1 According to MobyGames, its PC speaker music simulates two or three voices at once through “pseudo-layering and arpeggios”.1
  • Amiga: Amiga 1000 or later, Kickstart 1.2, 512 KB, joystick.1
  • Prices: $29.95 in the US for the Commodore 64 version. In the UK, £9.95 cassette and £14.95 disk; the Atari ST version sold for £9.99.412813

Version History

VersionDatePlatformNotes
Original releaseDecember 1987Commodore 64Electronic Arts (US); 1987 German release distributed by Electronic Arts Ltd.1
PortJune 1988MS-DOSElectronic Arts (US)1
PortSeptember 1988AmigaElectronic Arts (US); 1988 German release1
Port1989Atari STElectronic Arts; reviewed in the UK at £9.99113

MobyGames dates the US MS-DOS release to June 1988, but Dragon’s December 1988 “Computer-Games Conversions Chart” was still listing Skyfox II “to IBM micros and compatibles” among Electronic Arts’ conversions.120 The Games Machine’s August 1989 review of the Atari ST version cross-referenced its earlier reviews of the Commodore 64 and PC versions. It thought the game type was “getting a little long in the tooth” and said long-term playability was lacking.13

Legacy

Jimmy Maher names Skyfox II alongside F-14 Tomcat, Abrams Battle Tank, MechWarrior and Deathtrack among the 3D action games Dynamix made after Arcticfox.17 When Sierra agreed to buy Dynamix in March 1990, Computer Gaming World’s news report listed “Skyfox, Skyfox II” among the games Dynamix had built for Electronic Arts, and F-14 Tomcat, MechWarrior and DeathTrack among those it made for Activision.19

Downloads

Purchase / Digital Stores

  • Not currently available. As of October 2026 Skyfox II is not sold on GOG or Steam; GOG lists it only as a community “dreamlist” request.

Download / Preservation

Manuals & Extras

See Also

Skyfox II continues Electronic Arts’ Skyfox line. It followed Dynamix’s Arcticfox and came before the studio’s Activision titles such as MechWarrior.1719

References

Footnotes

  1. MobyGames – Skyfox II: The Cygnus Conflict – platforms and release dates (C64 Dec 1987 US, DOS Jun 1988, Amiga Sep 1988, ST 1989), German releases, DOS and Amiga specs (MobyGames API, 2026-10-09); PC speaker music trivia on the game page ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7 ↩8 ↩9 ↩10 ↩11 ↩12 ↩13

  2. Wikipedia – Skyfox II: The Cygnus Conflict – Ray Tobey not involved, Dragon and 1994 CGW ratings ↩ ↩2 ↩3

  3. Skyfox II manual (Electronic Arts) – Internet Archive – Federation briefing, controls, risk levels, weapons, HUD, deceptor, wormholes, docking code, the ten conflicts ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7 ↩8 ↩9 ↩10 ↩11 ↩12 ↩13 ↩14 ↩15 ↩16 ↩17

  4. Computer Gaming World #45 (March 1988), Yung Min Choi, “Mind Over Anti-Matter”, pp. 31, 55 – Internet Archive – C64 review: $29.95, designer Jeff Tunnell, package line, weapons, wormholes, HUD, map copy protection, 28 keys, verdict ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7 ↩8 ↩9 ↩10 ↩11 ↩12

  5. Wikipedia – Skyfox (1984 video game) – Ray Tobey, EA, Apple II 1984; EA’s best-selling C64 game by end of 1987; sequel by Dynamix without Tobey ↩ ↩2

  6. Wikipedia – Dynamix – Dynamix games list (Skyfox ports, Skyfox II for Electronic Arts), 1990 Sierra purchase ↩ ↩2

  7. Dragon #133 (May 1988), Hartley, Patricia and Kirk Lesser, “The Role of Computers” – Internet Archive – C64 review, four stars, quotes ↩ ↩2 ↩3

  8. Lemon64 – Skyfox II: The Cygnus Conflict – C64 credits, UK prices, magazine scores (Commodore User 6/10, Datormagazin 3.5/5, The Games Machine 85%, Info 3.5/5, Power Play 4/10, Zzap!64 67%), 65% average ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7

  9. Zzap!64 #36 (April 1988), Skyfox II review, p. 80 – Internet Archive – C64 review: prices, ten missions, ratings (overall 67%), quotes ↩ ↩2 ↩3

  10. Everygamegoing – Commodore User #54 (March 1988), Bill Scolding, Skyfox II review – transcribed C64 review: mission length, verdict quote ↩ ↩2 ↩3

  11. MobyGames – Skyfox II: The Cygnus Conflict credits (Commodore 64) – creators Ryan, Slye, Tunnell; artwork Burton, Lukaszuk; sound and music Warhol; manual credits (software designer Tunnell, programmer Ryan, Hilleman, Quarnstrom, Simerly, Hall) ↩ ↩2 ↩3 ↩4 ↩5 ↩6

  12. Compute!‘s Gazette #60 (June 1988), Ervin Bobo, “Skyfox II: The Cygnus Conflict” – Internet Archive – C64 review: “debut” on the 64, Dynamix credit, map colours, memory note, verdict, $29.95 ↩ ↩2 ↩3 ↩4 ↩5 ↩6

  13. The Games Machine #21 (August 1989), Atari ST update – Internet Archive – ST version at £9.99, cross-reference to C64 and PC reviews, verdict ↩ ↩2 ↩3 ↩4

  14. UVList – Skyfox II: The Cygnus Conflict (Amiga) – Génération 4 (79/100) and Tilt (16/20) Amiga scores, November 1988 ↩ ↩2

  15. Computer Gaming World #114 (January 1994), M. Evan Brooks, “War In Our Time” wargame survey – Internet Archive – one-plus-star entry, “The sequel.” ↩ ↩2

  16. The Games Machine #4 (March 1988), “A Warp on the Wild Side” (Skyfox II review), p. 53 – Internet Archive – review headline; Electronic Arts’ UK launch with The Train and Skyfox II ↩

  17. The Digital Antiquarian – “The Dynamic Interactive Narratives of Dynamix” (Jimmy Maher, 2018) – Arcticfox followed by “3D blast-em games” including Skyfox II, F-14 Tomcat, Abrams Battle Tank, MechWarrior and Deathtrack ↩ ↩2 ↩3 ↩4

  18. MobyGames – Skyfox – original by Raymond E. Tobey, Inc.; Amiga (Feb 1986), Atari ST (1986) and Macintosh (Jun 1986) releases “Ported by Dynamix, Inc.” (MobyGames API, 2026-10-19) ↩

  19. Computer Gaming World #71 (May 1990), “Sierra Purchases Dynamix” – Internet Archive – Skyfox and Skyfox II among Dynamix’s Electronic Arts titles; F-14 Tomcat, MechWarrior and DeathTrack for Activision ↩ ↩2 ↩3

  20. Dragon #140 (December 1988), “Computer-Games Conversions Chart” – Internet Archive – Electronic Arts converting Skyfox II “to IBM micros and compatibles” ↩

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