The best alternatives to Infinite Blocks are Inky Blocks, Hextris, and Lineup Puzzle. If these 3 options don't work for you, we've listed a few more alternatives below.
In Puzzle Pieces you control the centre piece by simply swiping on any handheld device and with WSAD or Arrows on PC. Your goal is to match as many puzzles as possible. The score and difficulty increases over time. Free on Google play with ads, paid on Steam.