Onslaught

Onslaught is an action platformer originally released for the Amiga and ported to the Atari ST, Genesis, and XBL Community Games.

60 31 December 1989

Arcade Fighting Platform Action Fantasy Historical

Onslaught is an arcade developed by Realms, released 31 December 1989 on Sega Mega Drive/Genesis, Amiga, Atari ST/STE and DOS.

Verified 22 Aug 2026 Sources: IGDB

What Onslaught is

Onslaught is an arcade game developed by Realms and released in 1989. It was published by Ballistic. It is available on Sega Mega Drive/Genesis, Amiga, Atari ST/STE and DOS.

How it plays

It is played from a side view perspective. Its themes are action, fantasy and historical. It is a single-player game with no multiplayer component.

How it was received

Onslaught holds a critic score of 60 out of 100. That places it above 17% of the 2,164 rated arcade games in our database, which average 70.

What it launched against

Onslaught launched on 31 December 1989, within three weeks of Fantasy World Dizzy, A Boy and His Blob: Trouble on Blobolonia, Denaris and Pipe Dream. All of them reviewed better.

Released around the same time: Fantasy World Dizzy, A Boy and His Blob: Trouble on Blobolonia, Denaris, Pipe Dream.

Quick answers