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Unblock Gridlock

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About Unblock Gridlock

Unblock Gridlock is a sliding block puzzle game with over 9,000 free-play puzzles across four difficulty ranges: 6,969 Easy, 1,337 Medium, 666 Hard and 420 Expert. You can learn how to play in Tutorial Town.

Frequently asked questions

Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.

Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.

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