A two-player abstract strategy game on a 9×9 board. Fold your pieces to advance diagonally. Unfold them into flags — moving like rooks across rank and file. Plant three flags on your opponent's back row, or cut their forces to three.

<h2 class="bb_tag" >Everything hinges on the fold</h2>Paper Flags is a two-player strategy game on a 9×9 board. Every pieces starts folded: moving one square diagonally forward, contained and deliberate. Unfold it, and it becomes a flag: sliding any number of squares along a rank or file, like a rook with somewhere to be.That change—one piece, one action, no movement—is enough to end a game.<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4880180/extras/497ffd3ab7a4bd3f51ab7c61f288ed76.avif?t=1782847719" alt="A screenshot showing the board in early-game" data-big-src=https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4880180/extras_big/497ffd3ab7a4bd3f51ab7c61f288ed76.avif?t=1782847719 width=1560 height=878 /><h2 class="bb_tag" >Three Actions | Constant Pressure</h2>On your turn, you choose exactly one: move a piece, fold a flag down, or unfold a piece into a flag. The board is never still.Victory comes one of three ways. Territory, Domination, and Overrun. To Dominate your opponent, reduce them to three pieces or fewer. To Territorially Overpower them, plant three flags on your opponent's back row.If your opponent is one legal action from winning, you are Under Threat and your next move must break it. If you can't, you are Overrun.<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4880180/extras/126acb167edc9f8f8846f5ab68d2b31e.avif?t=1782847719" alt="Mid-game screenshot showing flag-pieces deep in enemy territory" data-big-src=https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4880180/extras_big/126acb167edc9f8f8846f5ab68d2b31e.avif?t=1782847719 width=1560 height=878 /><h2 class="bb_tag" >For chess players and strategy fans</h2>The structure is recognizable: two players, perfect information, no luck. The driving goals of territory and elimination are familiar. But the fold mechanic shifts the calculus in ways that take more than a couple of games to really feel. Pieces don't just threaten where they stand, they far more often threaten what they might become.A piece sitting quietly on the fourth rank is a flag waiting to seize control.<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4880180/extras/9b5592d9e2286db12c678a818e5fc271.avif?t=1782847719" alt="A screenshot showing two very cautious players, who have each unfolded many flags before making any advances" data-big-src=https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4880180/extras_big/9b5592d9e2286db12c678a818e5fc271.avif?t=1782847719 width=1560 height=878 /><h2 class="bb_tag" >Features</h2><ul class="bb_ul"><li>Player vs Computer: Four AI difficulties, from approachable to punishing</li><li>Player vs Player: Local hot-seat on the same screen</li><li>Play Online: Invite a friend for a remote match</li><li>Computer vs Computer: Watch the AI battle itself</li><li>Controller Support</li><li>Multi-platform play</li></ul><h2 class="bb_tag" >About</h2>Paper Flags is developed by Stephen Merriam at Winterlude Interactive.

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Paper Flags Achievements