Letter4U
Create cute, interactable, and so pretty digital gifts and love letters
A storybook forest roguelike where the order you play cards is the game.
You play cards in three frequencies — Bass, Mid and Treble. Play them in the right *sequence* and they fire a Resonance combo. That's the whole game: not which cards you're holding, but the order you spend them in.
- Branching runs through five forest worlds, each with its own enemies, bosses and music
- Relics that reshape a run, a shop between fights, and a three-ending story
- Two-phase boss fights that punish sloppy sequencing
- Fully offline. No accounts, no ads, no energy timers, no loot boxes.
Free to play through World 1 — a complete arc ending at its own boss. One optional purchase unlocks the rest.
Built solo in Flutter + Flame over about a year: the engine, the combo system, the balance sim and the writing are mine; the art is AI-generated and cleaned up by hand.
Feedback from other makers very welcome — especially on device performance and anything that renders oddly. I can only test on so many phones, which is the one thing I genuinely can't do alone.
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