Fireboy and Watergirl 4: In The Crystal Temple

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The fourth entry in the puzzle platformer series adds a new twist with crystal-powered mechanics. Players control two characters navigating a temple where portals move objects unpredictably. Balancing their abilities to manipulate the environment becomes key to solving each level. The co-op mode makes teamwork essential but solo play remains viable for those tackling the puzzles alone. The shifting portals force constant recalibration of strategies creating a rhythm that feels both challenging and fair. The dual-perspective design maintains the series' signature balance of simplicity and depth. Despite its 2013 release the game still holds up as a refined example of browser-based puzzle design with over 800,000 plays recorded. The clean visuals keep focus on the tight interplay between movement and timing.