The term "Shack" in your query might stem from the indie developer ethos prevalent during that era (often referred to as "garage development" or "shack development").

Co-op puzzle heist. You see different halves of the same code. Only by syncing your callouts can you crack the vault in time.

"Sync Shack" is likely a misremembered version of "Slick," or a confusion with the in-game level "The Sync," combined with the word "Shack." Below is a complete write-up of the developer (Slick Entertainment) and their key titles.

Small Arms was the flagship title for Slick Entertainment and remains their most recognized work. It was released on November 22, 2006, as part of the Xbox Live Arcade lineup.

Logo + “Wishlist on Steam / App Store”

was a Canadian independent video game development studio based in Vancouver, British Columbia. Active primarily during the "Golden Age" of Xbox Live Arcade (XBLA) on the Xbox 360, the company was founded in 2006 by Jamie Fristrom , a veteran game developer known for his work on the Spider-Man 2 game engine.

🎮 Sync or swim. ⏱️ Drop in, lock in, and play as one. New co-op modes live NOW on Sync Shack Games. Tag your duo below 👇

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