StrategyMake room for another person’s next move
LESSONS, TACTICS & SHARED BOARDS
Learn a chess piece, inspect a dungeon threat or share an abstract board. These projects make the context of a decision worth reading before the next input.

A PLACE TO BEGIN / Lichess
Interactive Chess basics isolates one movement rule at a time. It gives you a smaller first task than a live match with an unfamiliar clock.
Meet Lichess ↗Lichess basics provides individual exercises. Sokoban and the Q42 puzzles ask for deductions on a board. Radüm is local pass-and-play for two, while DCSS is a dungeon run reached through a selected server. Decide which social and attention context fits before choosing by appearance.
A turn-based dungeon gives you room to inspect before acting. A chess game can still have a running clock, and Radüm combines alternating choices with board motion. Read the current mode instead of assuming that every board-like interface is an untimed puzzle.
A circle, tile or familiar piece can appear in games with very different mechanics. Use each profile’s controls, tutorial and original-source links. For DCSS, match the server version; for live chess, match the selected mode; for Radüm, use its own placement and scoring tutorial.
THE OPTIONS AT A GLANCE
| Game | Why try it | Pace | Progress |
|---|---|---|---|
| Lichess ↗Web-native | Learning chess rules through short interactive boards. | Self-paced lessons; game clocks depend on mode | Lesson progress and server game history are different. An account can identify server records; this guide does not promise anonymous cross-device lesson sync. |
| Radüm ↗Web-native | Hidden placements and distance decisions with a local partner or CPU opponent. | Placement and scoring rounds | A portable match-save or cloud account is not established by the reviewed documentation. Plan a shared session without assuming cross-device resume. |
| Dungeon Crawl Stone Soup ↗Browser client | A tactical dungeon run where position and the next action matter. | Turn-based dungeon exploration | Online characters belong to the selected server/account and version. Use that host’s save/quit instructions; a local browser bookmark is not the character file. |
| Sokoban ↗Browser recreation | An untimed spatial puzzle where a push can close a route. | Untimed box-pushing puzzles | The project documents automatic progress saving. Keep the same host and browser; an export is not established here. |
| 0h h1 ↗Web-native | Untimed logic using a pointer or touch selection. | Turn-by-turn logic | Use the original host’s current puzzle options. No cross-device puzzle sync is promised here. |
| 0h n0 ↗Web-native | Quiet logic based on orthogonal sight lines. | Turn-by-turn logic | Check puzzle and resume options on the original host; this guide does not store the board. |
| Freeciv-web ↗Browser adaptation | City building, research and a campaign you can settle into. | Turn-based campaign | Depends on the selected server and account. |