CT Lite+ vs Starfield Memory

Puzzle helps to learn Cartesian coordinate system (x,y) and practice to calculate sums over the line (the very first step to understanding integration). Sound: switch Ring/Silent controls speaker. After 30 seconds quick shake to restart the puzzle or reveal the answer with just a tap. In Gradients puzzle each cell has a value that contributes to the sum when calculated along a row or a column. Additionally, the value of each cell depends on the direction of the summation ("anisotropic field"). Sometimes, the clues can be satisfied by different pattern of orange cells. This means that, without additional information, solving the puzzle may involve a guessing step. An interesting phenomenon is the formation of "isomers", where an alternative solutions can be created by inverting a subset of cells. When playing for fun, any of the isomers is considered a valid solution. However in Competition mode, one more clue is added: a sum along the main diagonal. This additional clue helps distinguish between isomers.

Train your visual memory in beautifully designed bite-sized puzzles. Starfield Memory is a brain training game built around a simple challenge: a dot appears, a dot changes, a dot moves — can you spot it before time runs out? SIX MODES, ONE RULE • CLASSIC — Each round adds a dot. Find the one that just appeared. 3 seconds per move. • BLITZ — Same rule, ruthless pace. 1.5 seconds. Pure reaction time. • ZEN — No timer. Look as long as you like. Accuracy is everything. • CHAMELEON — Five dots, one secretly resizes during a blink. Spot the change. • SHIFTER — Five dots, one teleports during a blink. Spot the move. • RECALL — Memorize the layout, then tap every place a dot was after they fade. DAILY CHALLENGE A new puzzle every 24 hours. One run, one ranking. See how you stack up against players worldwide. LEADERBOARDS & PROGRESSION • Daily, Weekly, and All Time leaderboards • XP, ranks, and achievements that reward improvement • Combo multipliers that turn good runs into great scores DESIGNED FOR FOCUS Calm dark theme. Minimal interface. No clutter. Whether you're warming up on the morning commute or chasing a personal best, every session is a clean reset for your eyes and your mind.