Games like Oblivion Override
Games like Oblivion Override include Hades, Skul: The Hero Slayer, Hades II, Dead Cells, and Vampire Survivors. We matched them by the tags players give Oblivion Override on Steam (Action Roguelike, Hack and Slash, Side Scroller, Robots, and Ninja): closest matches first, and among equally close ones the better-known games.

Hades
Shared: Action Roguelike · Hack and Slash · Roguelite

Skul: The Hero Slayer
Shared: Action Roguelike · Roguelike · Action

Hades II
Shared: Hack and Slash · Action Roguelike · Roguelike

Dead Cells
Shared: Action Roguelike · Roguelike · Hack and Slash

Vampire Survivors
Shared: Action Roguelike · Roguelite · Roguelike

Lost Castle
Shared: Action Roguelike · Side Scroller · Hack and Slash

Rogue Legacy
Shared: Action Roguelike · Roguelike · Action

Brotato
Shared: Action Roguelike · Roguelike · Singleplayer

Death Must Die
Shared: Action Roguelike · Hack and Slash · Roguelite

Dungreed
Shared: Action Roguelike · Roguelike · Roguelite

Anomaly Agent
Shared: Action Roguelike · Side Scroller · Hack and Slash

Megabonk
Shared: Action Roguelike · Roguelike · Roguelite

Halls of Torment
Shared: Action Roguelike · Roguelite · Roguelike

Moonlighter
Shared: Hack and Slash · Action Roguelike · Roguelike

Soulstone Survivors
Shared: Action Roguelike · Roguelite · Hack and Slash

Ravenswatch
Shared: Action Roguelike · Roguelike · Action

Hero Siege
Shared: Hack and Slash · Action Roguelike · Roguelike

Have a Nice Death
Shared: Action Roguelike · Hack and Slash · 2D

Children of Morta
Shared: Hack and Slash · Action Roguelike · Roguelike

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · Indie

ICEY
Shared: Hack and Slash · Side Scroller · Action

30XX
Shared: Action Roguelike · Side Scroller · Roguelite

The Binding of Isaac
Shared: Action Roguelike · Roguelike · Action

Tower of Babel: Survivors of Chaos
Shared: Action Roguelike · Hack and Slash · Roguelike