Games like Infection X
Games like Infection X include Pikuniku, Broforce, UFO 50, SUPER CHICKEN JUMPER, and Exit the Gungeon. We matched them by the tags players give Infection X on Steam (Action, Adventure, Casual, Arcade, and Shooter): closest matches first, and among equally close ones the better-known games.

Pikuniku
Shared: Adventure · Casual · Puzzle

Broforce
Shared: Action · 2D · Shooter

UFO 50
Shared: Action · Arcade · Adventure

SUPER CHICKEN JUMPER
Shared: Arcade · 2D · Action

Exit the Gungeon
Shared: Action · Arcade · Adventure

There Is No Game: Wrong Dimension
Shared: Adventure · Puzzle · Casual

Zuma Deluxe
Shared: Arcade · Puzzle · Casual

Escape From Duckov
Shared: Action · Adventure · Shooter

Cyberhunt
Shared: Action · Casual · Adventure

Puyo Puyo™Tetris®
Shared: Casual · Action · Puzzle

Planes, Bullets and Vodka
Shared: Action · Casual · Arcade

BEEP
Shared: Adventure · Action · 2D

Puyo Puyo™ Tetris® 2
Shared: Action · Casual · Puzzle

OneShot
Shared: Puzzle · Adventure · Cute

Timberman
Shared: Casual · Action · Arcade

Human Fall Flat
Shared: Adventure · Puzzle · Action

Sonic Origins
Shared: Action · Adventure · Casual

Slime Rancher
Shared: Adventure · Cute · Casual

Tomb Raider Game of the Year
Shared: Action · Adventure · Puzzle

Grand Theft Auto V Legacy
Shared: Action · Adventure · Shooter

Scribblenauts Unlimited
Shared: Adventure · Casual · Puzzle

Shelldiver
Shared: Casual · Arcade · 2D

VLADiK BRUTAL
Shared: Action · Shooter · Adventure

Donut County
Shared: Casual · Adventure · Puzzle