Overview
Welcome to Operation Choo Choo Boom Boom, Rookie! In this action-packed on-rails shooter developed by In Scope Studio and published by Champlain College, players are thrust into the role of a gunner tasked with defending an island city from the menacing alien threat known as The Hand. Alongside conductor Marco and engineer Jessi, you'll ride head-first into battle with an arsenal of three guns, aiming to save your home.
Highlights
- On-Rails Action: Experience intense, fast-paced combat as you ride through the city, blasting alien invaders.
- Free-to-Play Arcade Fun: Jump into the action without any cost and enjoy classic arcade shooter thrills.
- Cooperative Defense: Team up with Marco and Jessi to protect the city from an otherworldly creature.
Who It's For
Choo Choo Boom Boom is perfect for players who enjoy classic arcade shooters, on-rails experiences, and cooperative PvE gameplay. If you're looking for a straightforward, action-heavy game that's easy to pick up and play, especially since it's free, this title should be on your radar.
Game Info
Developed by In Scope Studio and published by Champlain College, Choo Choo Boom Boom offers a single-player, PvE on-rails shooter experience. It was released on May 1, 2026, and is available for free on Steam. The game features English language support and is rated for all ages.





