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Eitanium is a mobile gaming brand focused on logic and deduction puzzles, beginning with its free Android game inspired by Einstein’s Riddle. Players use a grid of categories and written clues to determine how people, objects, or events relate, solving each puzzle through deduction rather than guessing. The game offers 30 difficulty levels, ranging from approachable introductions to challenging puzzles with fewer anchor clues. Players can also take on a new Daily Puzzle, shared worldwide, or choose their preferred difficulty and play repeatedly in Free Play mode.

Eitanium includes multiple visual themes, daily rewards, and tools such as hints and puzzle solutions supported by in-game Gold. There are no timers or lives, and players can pause and resume at their own pace. No account is required; progress is saved locally on the device. Alongside the game, Eitanium provides guides to its rules, logic-grid solving techniques, and Einstein’s Riddle. The brand also says additional logic puzzle games are in development, including Eitanium II and Eitanium III.