Games like Unrailed 2: Back on Track
Games like Unrailed 2: Back on Track include Risk of Rain 2, Unrailed!, Overcooked! 2, Ravenswatch, and Among Us. We matched them by the tags players give Unrailed 2: Back on Track on Steam (Online Co-Op, Trains, Multiplayer, Roguelike, and Local Multiplayer): closest matches first, and among equally close ones the better-known games.

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

Unrailed!
Shared: Online Co-Op · Multiplayer · Trains

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

Ravenswatch
Shared: Online Co-Op · Roguelike · Multiplayer

Among Us
Shared: Online Co-Op · Multiplayer · Survival

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

PEAK
Shared: Online Co-Op · Multiplayer · Co-op

Barony
Shared: Multiplayer · Online Co-Op · Roguelike

PUBG: BATTLEGROUNDS
Shared: Multiplayer · Online Co-Op · Survival

ELDEN RING NIGHTREIGN
Shared: Online Co-Op · Multiplayer · Roguelike

Brawlhalla
Shared: Multiplayer · Local Multiplayer · Online Co-Op

The Spell Brigade
Shared: Online Co-Op · Roguelike · Multiplayer

Left 4 Dead 2
Shared: Multiplayer · Online Co-Op · Co-op

R.E.P.O.
Shared: Online Co-Op · Multiplayer · Co-op

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

Content Warning
Shared: Online Co-Op · Multiplayer · Action Roguelike

Don't Starve Together
Shared: Multiplayer · Online Co-Op · Co-op

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

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

Gang Beasts
Shared: Multiplayer · Local Multiplayer · Action

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

Ship of Fools
Shared: Online Co-Op · Local Multiplayer · Action Roguelike

Dead by Daylight
Shared: Multiplayer · Online Co-Op · Co-op

It Takes Two
Shared: Multiplayer · Online Co-Op · Co-op