Games like Ikki Unite
Games like Ikki Unite include Vampire Survivors, Enter the Gungeon, Risk of Rain 2, HELLDIVERS™ 2, and The Spell Brigade. We matched them by the tags players give Ikki Unite on Steam (Casual, Action, Action Roguelike, Bullet Hell, and Online Co-Op): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

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

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

HELLDIVERS™ 2
Shared: Online Co-Op · Action · PvE

The Spell Brigade
Shared: Online Co-Op · Bullet Hell · Action Roguelike

Risk of Rain Returns
Shared: Action Roguelike · Online Co-Op · Multiplayer

Megabonk
Shared: Action Roguelike · Bullet Hell · Action

Heroes of Hammerwatch
Shared: Action Roguelike · Multiplayer · Pixel Graphics

Hero Siege
Shared: Action Roguelike · Pixel Graphics · Multiplayer

Risk of Rain (2013)
Shared: Action Roguelike · Action · Indie

How to Fish
Shared: Online Co-Op · Multiplayer · Indie

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

Ravenswatch
Shared: Action Roguelike · Action · Online Co-Op

Bloons TD 6
Shared: Multiplayer · Casual · Online Co-Op

ShellShock Live
Shared: Action · Multiplayer · Casual

Streets of Rogue
Shared: Action Roguelike · Action · Multiplayer

PICO PARK
Shared: Online Co-Op · Casual · Multiplayer

Broforce
Shared: Action · Pixel Graphics · Multiplayer

Nuclear Throne
Shared: Action Roguelike · Action · Bullet Hell

Overcooked! 2
Shared: Casual · Multiplayer · Online Co-Op

Children of Morta
Shared: Multiplayer · Action Roguelike · Online Co-Op

Gunfire Reborn
Shared: Online Co-Op · Action · Multiplayer

Crab Champions
Shared: Action Roguelike · Multiplayer · Bullet Hell

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