Games like Zonark
Games like Zonark include Resident Evil 4, Risk of Rain 2, Resident Evil Requiem, PUBG: BATTLEGROUNDS, and Resident Evil 4 (2005). We matched them by the tags players give Zonark on Steam (Action, 3D Platformer, Action Roguelike, Arena Shooter, and Boomer Shooter): closest matches first, and among equally close ones the better-known games.

Resident Evil 4
Shared: Action · Third-Person Shooter · Horror

Risk of Rain 2
Shared: Action Roguelike · Action · Third-Person Shooter

Resident Evil Requiem
Shared: Action · FPS · Third-Person Shooter

PUBG: BATTLEGROUNDS
Shared: Action · FPS · Survival

Resident Evil 4 (2005)
Shared: Action · Third-Person Shooter · Horror

Left 4 Dead 2
Shared: Action · FPS · Zombies

Bloodshed
Shared: Action Roguelike · Action · Boomer Shooter

Overwatch®
Shared: FPS · Hero Shooter · Action

20 Minutes Till Dawn
Shared: Action Roguelike · Shoot 'Em Up · Survival

ULTRAKILL
Shared: Boomer Shooter · FPS · Arena Shooter

Resident Evil 3
Shared: Action · Horror · Third Person

Warframe
Shared: Action · Looter Shooter · Third-Person Shooter

Gunfire Reborn
Shared: FPS · Action · Action Roguelike

Resident Evil 6
Shared: Action · Third-Person Shooter · Horror

Resident Evil Revelations 2
Shared: Action · Horror · Third-Person Shooter

Terminull Brigade™
Shared: Action Roguelike · Action · Hero Shooter

Marvel Rivals
Shared: Action · Hero Shooter · Third-Person Shooter

Escape From Duckov
Shared: Action · Looter Shooter · Adventure

Dying Light
Shared: Action · Horror · FPS

Dead Space™ 2
Shared: Action · Third-Person Shooter · Horror

Resident Evil 5
Shared: Action · Third-Person Shooter · Horror

Team Fortress 2
Shared: Action · Hero Shooter · FPS

Resident Evil Village
Shared: Action · Horror · FPS

Call of Duty®: Black Ops III
Shared: Action · FPS · Hero Shooter