From Sega Retro
|System(s): Sega Mega Drive, Virtual Console|
|Original system(s): Namco System II|
|Sound driver: Namco sound driver|
|Number of players: 1|
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, , and all act identically. Pressing the button fires a regular shot; holding it down charges your shot. Powerups are collected just like in any other shmup (grabbing them as they come out of enemies).
- The arcade version uses plenty of zoom and rotation effects, which could mostly not be replicated in the Sega Mega Drive version due to hardware limitations.
- Stage layouts, enemy and boss behaviour are significantly different between the arcade version and the Sega Mega Drive version. Namco's other shooting game, Dangerous Seed, was also subdued to such a remixing process.
- For unknown reasons, the Mega Drive port shows only English text in all versions. However, the Japanese have Japanese voice acting while the others have the English one.
- Main article: Phelios/Magazine articles.
Print advert in GamePro (US) #18: "January 1991" (199x-xx-xx)
Mega Drive version
|Sega Retro Average|
| Based on|
- Sega of Japan Virtual Console pages: Mega Drive
- File:EGM US 015.pdf, page 75
- Sega Power, "January 1992" (UK; 1991-12-05), page 11
- File:Supergame BR 03.pdf, page 36
- https://www.nintendo.co.jp/wii/vc/software/07.html (archived: 2018-03-05 23:01)
- http://vc.sega.jp:80/vc_phelios/ (archived: 2008-04-21 16:54)
- File:AcaoGames BR 005.pdf, page 23
- File:SSM_JP_19950901_1995-09.pdf, page 87
- File:CGtC UK 04.pdf, page 34
- File:ConsolesPlus FR 010.pdf, page 94
- File:GamePro US 016.pdf, page 98
- File:Joypad FR 006.pdf, page 140
- File:MDAG UK 01.pdf, page 81
- File:MegaTech UK 01.pdf, page 79
- File:MegaTech UK 03.pdf, page 38
- File:PlayerOne FR 016.pdf, page 50
- File:SegaPro UK 02.pdf, page 68
- File:Supersonic FR 01.pdf, page 14