Games like A.K.O - Arrow Keys Only
Games like A.K.O - Arrow Keys Only include Vampire Survivors, BALL x PIT, Megabonk, Halls of Torment, and Deep Rock Galactic: Survivor. We matched them by the tags players give A.K.O - Arrow Keys Only on Steam (Action Roguelike, 2D Platformer, Bullet Hell, Roguelite, and Roguelike): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

BALL x PIT
Shared: Roguelite · Bullet Hell · Action Roguelike

Megabonk
Shared: Action Roguelike · Roguelite · Roguelike

Halls of Torment
Shared: Action Roguelike · Bullet Hell · Roguelite

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Roguelite · Bullet Hell

Rogue: Genesia
Shared: Action Roguelike · Bullet Hell · Roguelite

Death Must Die
Shared: Action Roguelike · Bullet Hell · Roguelite

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Magicraft
Shared: Action Roguelike · Bullet Hell · Roguelite

Brotato
Shared: Action Roguelike · Bullet Hell · Roguelike

Nova Drift
Shared: Bullet Hell · Action Roguelike · Roguelite

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Roguelike

Hades
Shared: Action Roguelike · Roguelite · Roguelike

Dead Cells
Shared: Action Roguelike · Roguelike · Roguelite

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

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Roguelite

Nuclear Throne
Shared: Action Roguelike · Roguelike · Bullet Hell

30XX
Shared: Action Roguelike · 2D Platformer · Roguelite

Hades II
Shared: Roguelite · Roguelike · Action Roguelike

Caveblazers
Shared: Action Roguelike · Roguelite · 2D Platformer

Risk of Rain 2
Shared: Action Roguelike · Roguelike · Roguelite

Pass the Fear
Shared: Action Roguelike · Roguelite · Bullet Hell

Nordic Ashes: Survivors of Ragnarok
Shared: Action Roguelike · Bullet Hell · Roguelite

The Spell Brigade
Shared: Bullet Hell · Roguelite · Action Roguelike