Duper is a 5-player real-time PvP social strategy game where players build their economy, trade resources, form alliances, and attack rivals. Every match blends negotiation, deception, and tactical decision-making as players compete to come out on top.

Duper is a multiplayer social strategy game where 5 players compete in real time to build power, make deals, and come out ahead. Each match is a contest of economics, diplomacy, and betrayal: gather resources, expand your position, negotiate trades, and decide when to cooperate and when to strike. Every game revolves around reading other players and adapting on the fly. Alliances can help you survive, but they are never permanent. A smart deal, a timely betrayal, or a well-planned attack can completely change the outcome of a match.<h2 class="bb_tag" >Key Features</h2><ul class="bb_ul"><li>Build troops, tanks, planes, and forts to grow your power and defend your position.</li><li>Control territory on a shared map by expanding, capturing tiles, and pressuring your opponents.</li><li>Engage in free-form diplomacy and live in-game chat to influence every decision at the table.</li><li>Trade keys, coins, blueprints, and more to outmaneuver rivals and shift the balance of power.</li><li>Form alliances, strike deals, and execute betrayals in real time—no agreement is ever truly safe.</li><li>Navigate game rounds with bidding, card trading, and battle phases that constantly reshape the game.</li></ul>

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Duper Achievements