Play Onslaught (Sega Genesis) Online

Console Sega Genesis Genre ActionStrategy Players
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Controls

You can change controls by clicking the game window and selecting Control Settings.

Player 1

WASD
Move And Jump
H
Select Previous Item
J
Use Selected Item
K
Select Next Item
Enter
Pause

Emulator

Q
Fast Forward
E
Rewind
4
Slow Motion
1
Quick Save State
2
Quick Load State
3
Change State Slot
Gameplay screenshot of Onslaught for Sega Genesis

Overview and Gameplay

Prince Balthusar’s warrior must conquer the territories of Gargore through a mixture of campaign planning and arcade combat. Most conquests combine two side-scrolling battles with a Mind Duel against the territory’s ruler.

Enemies push toward the player’s flag while the warrior advances toward theirs. Letting too many attackers escape fills the enemy meter and loses the battle. Defeated foes drop weapons, spells, and other consumable items. Temples provide special duels and talismans that can overcome hazards or capture territory.

Controls And Mechanics

  • Move and jump through side-scrolling battlefields while protecting the starting flag.
  • Cycle through collected weapons, spells, and talismans, then activate the selected item.
  • Manage separate Life and Energy meters across a long campaign.
  • Mind Duels replace field combat with circular projectile battles against multi-armed rulers.
  • Includes Amateur and Professional difficulty settings and supports one player only.

Version Notes

This Genesis and Mega Drive conversion was released without an official Sega license. The North American and European editions use the same title.

Release And Credits

  • Release year: 1991
  • Developer: Nextgrand
  • Publisher: Accolade under the Ballistic label
  • Original platform: Amiga
Version
onslaught_usa_europe.md
Status
Playable in browser
Updated
October 12, 2026

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