Duper Demo

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 5-player free-for-all game where strategy meets social trickery. <video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/48bc80ea110086aa924521e8f5bf515b.poster.avif?t=1782724332" width=1170 height=386 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/48bc80ea110086aa924521e8f5bf515b.webm?t=1782724332" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/48bc80ea110086aa924521e8f5bf515b.mp4?t=1782724332" type="video/mp4"></video>In an average 20-minute match, 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. Players compete for precious Duper Gold (🧈), the sole hard currency in the Duper ecosystem, by outsmarting each other in games.<h2 class="bb_tag" >Game Elements and Key Features</h2>On a dying red star, every evolution begins with a surrender. And so, the story begins.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/fe00ddc674f58bd996db47a9cd020a3e.poster.avif?t=1782724332" width=1170 height=390 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/fe00ddc674f58bd996db47a9cd020a3e.webm?t=1782724332" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/fe00ddc674f58bd996db47a9cd020a3e.mp4?t=1782724332" type="video/mp4"></video>Session starts after you match with 4 other players. In ranked mode, you can bid to compete for player colors with earlier turn order, such as Red.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/6a331c222dea319fabab582ee646c9ad.poster.avif?t=1782724332" width=1170 height=386 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/6a331c222dea319fabab582ee646c9ad.webm?t=1782724332" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/6a331c222dea319fabab582ee646c9ad.mp4?t=1782724332" type="video/mp4"></video>Build soldiers, tanks, planes, and forts to grow and defend your territory. Build research centers to boost your economy, unlock global trade, and acquire special unit types.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/92a4f2573d40ee14517b765322e6b325.poster.avif?t=1782724332" width=1170 height=386 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/92a4f2573d40ee14517b765322e6b325.webm?t=1782724332" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/92a4f2573d40ee14517b765322e6b325.mp4?t=1782724332" type="video/mp4"></video>Control territory on a shared map by expanding, capturing tiles, and pressuring your opponents.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/48bc80ea110086aa924521e8f5bf515b.poster.avif?t=1782724332" width=1170 height=386 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/48bc80ea110086aa924521e8f5bf515b.webm?t=1782724332" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/48bc80ea110086aa924521e8f5bf515b.mp4?t=1782724332" type="video/mp4"></video>Press your advantage by using emblem cards and raising any time. Higher risk, higher reward. Not recommended for the lighthearted.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/7e9f31bfe1cb70e8e5e2de271489ec57.poster.avif?t=1782724332" width=1170 height=386 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/7e9f31bfe1cb70e8e5e2de271489ec57.webm?t=1782724332" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/7e9f31bfe1cb70e8e5e2de271489ec57.mp4?t=1782724332" type="video/mp4"></video>Trade cards, blueprints, and keys every round, not just to get ahead on resource management, but also to develop important alliances.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/cec8ad0fe4e8e3ac6071f6086bd33ee7.poster.avif?t=1782724332" width=1170 height=386 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/cec8ad0fe4e8e3ac6071f6086bd33ee7.webm?t=1782724332" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/cec8ad0fe4e8e3ac6071f6086bd33ee7.mp4?t=1782724332" type="video/mp4"></video>Transform your base to a superunit for unrivaled combat power, by sacrificing all your future coin yield. Only for a true gambler.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/2b8b9121a9f8024c828f48097864cc0a.poster.avif?t=1782724332" width=1170 height=386 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/2b8b9121a9f8024c828f48097864cc0a.webm?t=1782724332" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/2b8b9121a9f8024c828f48097864cc0a.mp4?t=1782724332" type="video/mp4"></video>Engage in free-form diplomacy with chat, quick messages, and emojis. Whether it's genuine or just to make your next backstab more seamless, no one will ask.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/41f437929148143d71959c7efc25236f.poster.avif?t=1782724332" width=1170 height=386 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/41f437929148143d71959c7efc25236f.webm?t=1782724332" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/41f437929148143d71959c7efc25236f.mp4?t=1782724332" type="video/mp4"></video>Only 1 player ends each game. However, everyone who holds his keys gets a share of the prize pool. Win-win situation is entirely possible—as long as someone loses big.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/8903c7cb14c824212e0eb22cb8b66313.poster.avif?t=1782724332" width=1170 height=386 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/8903c7cb14c824212e0eb22cb8b66313.webm?t=1782724332" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/8903c7cb14c824212e0eb22cb8b66313.mp4?t=1782724332" type="video/mp4"></video>Outside the core game, acquire emblem cards, rare cosmetics, gold vouchers, and more in lootbox via Duper Gold, the sole hard currency in Duper.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/ae26a9f18a0768dd30608442be6c10cd.poster.avif?t=1782724332" width=1170 height=386 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/ae26a9f18a0768dd30608442be6c10cd.webm?t=1782724332" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4542140/extras/ae26a9f18a0768dd30608442be6c10cd.mp4?t=1782724332" type="video/mp4"></video>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.