Boundless
Games like Boundless

Games like Boundless

An action-adventure voxel sandbox MMO where players build and craft together in a shared world, with fluid grappling-hook traversal and long-term investment reflected in reviewers' hundreds of hours.

Pixel Worlds: MMO Sandbox
A long-term free-to-play sandbox MMO with building, crafting, trading, and dungeon exploration in a shared universe, offering co-op and PvP, with mostly positive but mixed reviews.
2017-06-08
- Adventure
- Indie

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Games like Boundless | IndieDex

Boundless
Games like Boundless

Games like Boundless

An action-adventure voxel sandbox MMO where players build and craft together in a shared world, with fluid grappling-hook traversal and long-term investment reflected in reviewers' hundreds of hours.

Pixel Worlds: MMO Sandbox
A long-term free-to-play sandbox MMO with building, crafting, trading, and dungeon exploration in a shared universe, offering co-op and PvP, with mostly positive but mixed reviews.
2017-06-08
- Adventure
- Indie

TerraTech

An open-world sandbox of block-based vehicle building, scavenging, combat, and multiplayer survival on a planet.

2018-08-10

Action
Adventure
Strategy
Third person
Indie
Simulator
Sandbox

Avorion

A procedural space sandbox centered on block-based shipbuilding, exploration, and empire management, with solo, co-op, and PvP modes and a slow-paced loop that can last dozens to hundreds of hours.

2020-03-09

Action
Science fiction
Third person
Indie
Simulator
Sandbox

Creativerse

A free-to-play sandbox adventure for exploring, crafting, building, and multiplayer co-op or PvP, with mod support.

2017-05-08

Action
First person
Science fiction
Adventure
Indie
Simulator
Role-playing (RPG)
Open world
Sandbox

Trailmakers

An open-world vehicle-building sandbox for solo or multiplayer play where you engineer anything from cars to mechs and explore, race, or battle—praised for its creative freedom and solid performance.

2019-09-18

Action
Adventure
Indie
Simulator
Sandbox
Racing

Junk Jack

A relaxing 2.5D sandbox with planet exploration, home building, creature breeding, and co-op, offering a charming open-ended experience.

2016-11-30

Action
Platform
Adventure
Survival
Indie
Side view
Simulator
Sandbox

Bang-On Balls: Chronicles

A quirky, destructible open-world sandbox adventure with combat, platforming, character customization, and collect-a-thon scavenger hunts, playable solo or in co-op for up to four players.

2023-10-05

Action
Comedy
Platform
Adventure
Third person
Indie
Open world
Arcade
Sandbox

ASTRONEER

A playful space sandbox about reshaping planets, building bases, and automating production, playable solo or co-op, with reviewer sessions averaging roughly 40 hours.

2019-02-05

Science fiction
Adventure
Survival
Third person
Indie
Simulator
Open world
Sandbox
Kids

Portal Knights

Cooperative 3D sandbox action RPG with portal travel, real-time combat, and crafting/building, progressing through randomly generated worlds; reviewer-reported median playtime is about 18 hours.

2017-05-18

Action
First person
Adventure
Survival
Fantasy
Third person
Bird view / Isometric
Indie
Role-playing (RPG)
Historical
Sandbox

Cubic Odyssey

Craft, build, and fight across vibrant planets in this open-world co-op sandbox that reviewers found grindy and buggy.

2025-05-14

Action
First person
Adventure
Survival
Third person
Role-playing (RPG)
Open world

Playcraft

A multiplayer game-creation sandbox where anyone can build and play games, with co-op and PvP modes.

2023-01-17

Action
Adventure
Indie
Simulator

My Little Universe

A casual, relaxing resource-gathering adventure with split-screen co-op and a repetitive, lengthy grind.