Simple controls that turn into chaotic party laughter with friends
The greatest rock-racing, tower defense, art history game is back! Like the title says, Bigger & Boulder cranks up the surrealism and gameplay with chaotic 4P multiplayer, new time periods, and improved graphics, physics, and destructibility powered by UE4 to be, well… BIGGER AND BOULDER.



A guaranteed icebreaker where mistakes are the best part of the night.
The greatest rock-racing, tower defense, art history game is back! Like the title says, Bigger & Boulder cranks up the surrealism and gameplay with chaotic 4P multiplayer, new time periods, and improved graphics, physics, and destructibility powered by UE4 to be, well… BIGGER AND BOULDER.
Selected for the Logpier co-op catalog with a 90% positive rating across 2,830 Steam reviews (Popular Hit: 2,000+ reviews). Built for 1–4 Players via Online & Local Co-op (All Players Must Own).
Structured around ~30–60 min (Quick Rounds) sessions with instant drop-in between short rounds, making it an easy shortlist contender for game night.
Note: This guide is an AI-assisted curation summary synthesized from public Steam store metadata and user review signals. First-hand squad play notes submitted by community reviewers appear separately below.
A guaranteed icebreaker where mistakes are the best part of the night.