Simple controls that turn into chaotic party laughter with friends
Rival Megagun is a competitive split-screen shoot 'em up where you transform into a giant boss ship and battle your rival head-to-head in local or online PVP.



A guaranteed icebreaker where mistakes are the best part of the night.
Rival Megagun is a competitive split-screen shoot 'em up where you transform into a giant boss ship and battle your rival head-to-head in local or online PVP.
Selected for the Logpier co-op catalog with a 89% positive rating across 64 Steam reviews (Verified Co-op Pick). 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.