Hello Engineer first launched in Early Access for Stadia on June 22, 2021, followed by a full release on October 26, 2021. Any machine that gets the job done is a successful design!Multiplayer for Up to Four PlayersYou have too many moving parts and need more hands to control it? Just add more control panels and enjoy the ride with the crew members!Got the most complex and ambitious design ever? Team up with your friends!Sharing blueprints is an effective way to infinitely improve mechanisms and implement new ideas. Gear up your creations for a fight in brain-bruising boss battles!Sandbox Mode – Unwind in the sandbox and build without restrictions