Frequently asked questions
Everything worth knowing about Sortlock before your first move.
What is Sortlock?
A logic sorting puzzle. Pour balls until every flask holds a single colour. The twist: some balls are hidden under a "?", and you have to deduce their colour first instead of guessing.
How is it different from a normal ball-sort game?
In a regular sort you just move visible balls around. Sortlock adds a deduction layer: hidden balls are inferred from clues — colour counts, flask rules and already-revealed balls. It turns a mindless mechanic into a real puzzle.
How do I work out a hidden ball?
Combine the clues: how many balls of each colour exist on the board, which colours are already visible, and what each flask forbids. Often a single colour remains possible — that is the answer. Every board has exactly one logical solution.
Do the levels ever run out?
No. Boards are generated procedurally and verified solvable by a solver, so the content is endless. There is also a separate daily board — the same one for every player in the world.
What are Echo duels?
Asynchronous duels on the daily board. You play not against a timer but against another player’s "echo" (ghost): their replay repeats the moves and shows how they revealed the hidden balls. Whoever solves it in fewer moves wins. No real-time server needed.
Is the game colour-blind friendly?
Yes. Every colour is paired with a letter on the ball (R, B, G, Y, …), and a hidden ball is marked "?". Colour is never the only way to tell pieces apart.
Do I need an internet connection?
No, the core gameplay is fully offline. A connection is only needed for optional online features — the daily board, Echo duels and progress sync.
Which platforms will the game ship on?
The primary platforms are iOS and Android. macOS and Windows versions are planned too. The game is built with Flutter, so it runs from a single codebase everywhere.
How much does it cost, and are there ads?
The base model is free-to-play with gentle monetization: optional rewarded ads (a hint, an extra move), inter-level banners and a one-time "remove ads" purchase. No aggressive paywalls in the first hours and fair odds for every level set.
Can I delete my data?
Yes. Progress is stored locally on your device — deleting the game wipes it. For online data (daily board, duels) email us and we’ll remove it on request. Details are on the Support page.