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“A highly addictive brain challenging game that will make you feel smarter as you finish each stage.”
4,5/5 – Gaming Cypher
“iO provides an entertaining romp that’s sure to test both your reflexes and brain power.”
Addictive – True PC Gaming
“iO is a smart physics puzzler that requires brainpower and a lot of trial and error.”
Smart – IGN Benelux
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