Games like Sugar Tanks
Games like Sugar Tanks include Minishoot' Adventures, Commando Collection, Enter the Gungeon, Relic Hunters Zero: Remix, and Escape From Duckov. We matched them by the tags players give Sugar Tanks on Steam (Tanks, Action, Bullet Hell, Arena Shooter, and Cartoony): closest matches first, and among equally close ones the better-known games.

Minishoot' Adventures
Shared: Bullet Hell · Twin Stick Shooter · Adventure

Commando Collection
Shared: Action · Bullet Hell · Tanks

Enter the Gungeon
Shared: Bullet Hell · Twin Stick Shooter · Action

Relic Hunters Zero: Remix
Shared: Action · Twin Stick Shooter · Adventure

Escape From Duckov
Shared: Action · Adventure · Shooter

ShellShock Live
Shared: Tanks · Action · Casual

Cyberhunt
Shared: Action · Adventure · Twin Stick Shooter

Chippy
Shared: Bullet Hell · Arena Shooter · Twin Stick Shooter

Nova Drift
Shared: Bullet Hell · Arena Shooter · Action

Deaths Door
Shared: Action · Cartoony · Cute

Exit the Gungeon
Shared: Action · Bullet Hell · Adventure

Sektori
Shared: Twin Stick Shooter · Arena Shooter · Bullet Hell

Juicy Realm
Shared: Action · Adventure · Casual

State of Anarchy: Master of Mayhem
Shared: Action · Bullet Hell · Twin Stick Shooter

Pumpkin Jack
Shared: Action · Adventure · Colorful

Slime Rancher
Shared: Cute · Adventure · Colorful

永远消失的幻想乡 ~ The Disappearing of Gensokyo
Shared: Bullet Hell · Action · Cute

Beat Hazard
Shared: Bullet Hell · Twin Stick Shooter · Action

Vampire Survivors
Shared: Bullet Hell · Action · Casual

UpGun
Shared: Arena Shooter · Casual · Shooter

Planes, Bullets and Vodka
Shared: Action · Bullet Hell · Casual

Pikuniku
Shared: Adventure · Action · Cute

Time Wasters
Shared: Bullet Hell · Arena Shooter · Twin Stick Shooter

TouHou Makuka Sai ~ Fantastic Danmaku Festival
Shared: Bullet Hell · Action · Adventure