🏆Top 25 Aperture Tag The Paint Gun Testing Initiative Mods 2026
The 25 best Aperture Tag The Paint Gun Testing Initiative Mods mods, ranked by community endorsements. 2,000+ mods available — free downloads with install guides.
Ranked #1–#25 · Updated daily
🥇Hop'n'Bounce
🥈Deadly Tests - 1
🥉Think how...
#4The way you speed like [Coop]
#5Back and Forth (Coop)
#6Blubi's coop 02
#7Teamwork chamber
#8Trials of Minmus Level 3: Danger!
#9Operator Level 1: The Two Towers
#10Checkers
#11Tag: Custom Doors
#12Slurpies!
#13The Vents (Coop)
#14Gel Complexity
#15Up and at 'em
#16Deadly Tests - 2
#17Triggers!
#18Yin & Yang (Coop)
#19Perpetual Testing Initiative #2
#20Blubi's coop 01
#21Project #01 Choice.
#22Little Maze and More
#23Coop - Flow Controll Test Chamber
#24Portal Painters (Coop)
#25Hightower - v 1.0
How Are These Rankings Determined?
What makes a mod top ranked?
Ranked by endorsement count — the community's metric for quality. Downloads also factor in. Rankings update when we refresh from official mod sources.
Are all mods free to download?
Yes. Every mod listed on discovermods is free. We link to official download pages — no paywalls, no accounts required.