Tool creator
YouToStem
Play. Think. Create. Official games created and maintained by YouToStem.
Tools by this creator
Browse all tools →3D Shadow Match — 120 Spatial Projection Puzzles
Infer 3D block models from front and top projections across 120 progressive levels, with daily puzzles, hints, sound, and account-free friend challenges.
Open tool →Cube Folding — 120 Spatial Reasoning Levels
Fold all 11 valid cube nets mentally and identify opposite face patterns across 120 progressive levels, daily challenges, sound, hints, and account-free friend challenges.
Open tool →Dual N-Back — 300 Working Memory Training Levels
A mobile-first Dual N-Back game with 300 progressive 1-Back to 5-Back levels, position and sound tasks, daily training, game audio, and account-free friend challenges.
Open tool →Electronic Tic-Tac-Toe — 30 Tactical AI Levels
Play vanishing Tic-Tac-Toe: keep 3 marks each and replace your oldest with every new move. Includes 30 AI levels, two-player and timed modes, daily puzzles, and friend challenges.
Open tool →Four-Color Slide Puzzle — 120 Logic Levels
Route the top discs through four six-slot tracks to match color-pattern cards across 120 progressive levels, a daily puzzle, sound, and account-free friend challenges.
Open tool →Killer Sudoku — 120 Sum-Cage Levels
A mobile-first Killer Sudoku game with 4×4, 6×6, and 9×9 sum-cage puzzles, 120 progressive levels, daily challenges, notes, sound, and account-free sharing.
Open tool →Light Path — Single Stroke, Connect & White Lights
Three glowing 5×5 logic modes with 253 levels: trace every cell, connect colored endpoints, or join white lights. Includes daily puzzles, friend challenges, guides and sound.
Open tool →Magic Music Programmer — 120 Melody Coding Levels
A mobile-first music coding game with 120 progressive melody and rhythm levels, custom BPM, daily composition, sound effects, and account-free URL challenges.
Open tool →Make 24 — 120 Levels and Daily Math Challenge
A mobile-first Make 24 arithmetic game with 120 progressive levels, an exact fraction engine, daily puzzles, sound effects, and account-free friend challenges.
Open tool →Matrix Memory — 120 Visual Recall Levels
Remember glowing cells across 120 progressive matrix levels with three-second previews, timing, daily puzzles, sound, and account-free friend challenges.
Open tool →Maze Runner & Pathfinding — 120 A* and BFS Challenges
A mobile-first maze drawing game with 120 progressive levels, daily challenges, A* versus BFS visualization, sound effects, and anonymous challenge sharing.
Open tool →Memory Flip — 120 STEM Matching Levels
Match STEM symbols across 120 progressive memory levels with step and time tracking, daily decks, sound, and account-free friend challenges.
Open tool →Minimal Minesweeper — First-Click Safe Logic Game
A mobile-first online Minesweeper with a guaranteed safe opening, three difficulties, flags, live timer, and local best times.
Open tool →Physics Marbles Lab — 120 Progressive Levels
A mobile-first physics path puzzle with 120 verified levels, a daily challenge, anonymous URL sharing, and a practical strategy guide.
Open tool →Progressive 2048 — 100 Levels and Daily Puzzle
A mobile-first 2048 puzzle with 100 progressive levels, a deterministic daily puzzle, timer, score, move counter, and account-free friend challenges.
Open tool →Progressive Sudoku Challenge — 400 Online Levels
A mobile-first Sudoku game with 400 levels from 4×4 Easy to 16×16 Master, candidate notes, a daily puzzle, PDF printing, and account-free challenges.
Open tool →Regex Crossword — 120 Progressive Programming Puzzles
A mobile-first regex crossword with 120 unique-solution levels, daily puzzles, live conflict feedback, sound effects, and account-free URL challenges.
Open tool →Robot Maze Coding Adventure
A polished coding maze game for kids with 60 story levels, conditionals, loops, keys and doors, switches, ice, portals, daily challenges, and a shareable map builder.
Open tool →Robot Pixel Painter — 120 Coding Art Levels
A mobile-first coding art game with 120 verified levels, daily puzzles, sound effects, anonymous URL challenges, and a practical strategy guide.
Open tool →Sequence Memory — 300 Progressive Simon-Style Levels
A mobile-first Simon-style sequence memory game with 300 progressive levels, four to nine colored pads, daily puzzles, audio cues, and account-free friend challenges.
Open tool →Sokoban Adventure (98 Levels)
Play a classic Sokoban puzzle game with keyboard or touch controls. Includes 98 solver-verified levels that build spatial reasoning, reverse thinking, and deadlock awareness.
Open tool →Space Cargo Dispatcher — 120 Queue Coding Levels
A mobile-first queue programming game with 120 verified levels, daily missions, sound effects, anonymous URL challenges, and a strategy guide.
Open tool →Space Code Explorer
A visual coding adventure for ages 5–12. Arrange movement, turn, and repeat blocks to collect energy crystals and guide a spacecraft through 12 interactive missions.
Open tool →Tangram Geometry Puzzle — 30 Shape Learning Levels
A child-friendly Tangram game with seven correctly proportioned geometric pieces, 30 drag-to-rotate learning levels, daily puzzles, sounds, hints, and friend challenges.
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