Games like Sack Investigation
Games like Sack Investigation include Chained Together, It Takes Two, PICO PARK, PEAK, and How to Fish. We matched them by the tags players give Sack Investigation on Steam (Puzzle Platformer, Online Co-Op, Multiplayer, Casual, and Puzzle): closest matches first, and among equally close ones the better-known games.

Chained Together
Shared: Casual · Multiplayer · Online Co-Op

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

PICO PARK
Shared: Online Co-Op · Multiplayer · Puzzle Platformer

PEAK
Shared: Online Co-Op · Multiplayer · Adventure

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

Human Fall Flat
Shared: Multiplayer · Puzzle · Puzzle Platformer

HELLDIVERS™ 2
Shared: Online Co-Op · Multiplayer · PvE

Liars Bar
Shared: Multiplayer · Online Co-Op · Casual

Biped
Shared: Online Co-Op · Multiplayer · Puzzle

ibb & obb
Shared: Online Co-Op · Puzzle · Multiplayer

Pikuniku
Shared: Casual · Puzzle · Multiplayer

RV There Yet?
Shared: Multiplayer · Online Co-Op · Adventure

Sea of Thieves: 2026 Edition
Shared: Multiplayer · Online Co-Op · Adventure

Tick Tock: A Tale for Two
Shared: Online Co-Op · Puzzle · Casual

We Were Here Expeditions: The FriendShip
Shared: Online Co-Op · Multiplayer · Puzzle

Escape the Backrooms
Shared: Online Co-Op · Multiplayer · Co-op

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

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

Carry The Glass
Shared: Puzzle Platformer · Multiplayer · Online Co-Op

MECCHA CHAMELEON
Shared: Multiplayer · Casual · Online Co-Op

Trine 2: Complete Story
Shared: Puzzle Platformer · Platformer · Puzzle

We Were Here Forever
Shared: Online Co-Op · Puzzle · Multiplayer

Backrooms: Escape Together
Shared: Multiplayer · Online Co-Op · Co-op

BOMBANANA!
Shared: Online Co-Op · Multiplayer · Puzzle