Operation: Outbreak Idle

Play the Operation: Outbreak Idle Demo and survive against relentless zombie hordes in the first biome. Experience the core progression system, unlock powerful upgrades, and get a preview of the full game's weapons, skills, and zombie-slaying action.

<p class="bb_paragraph" >Fight for survival in a world overrun by endless zombie hordes. Build your defenses, unlock devastating weapons, and upgrade powerful skills as you battle increasingly dangerous waves of the undead.</p><p class="bb_paragraph" >Call in overwhelming support such as B2 bomber strikes and attack helicopters to clear massive groups of zombies. Unlock deadly technologies like the Circular Saw, discover new abilities, and create powerful builds through a deep progression system.</p><p class="bb_paragraph" >As the hordes grow larger and stronger, every upgrade matters. Strengthen your arsenal, adapt your strategy, and see how long you can survive against thousands of relentless zombies. </p><h2 class="bb_tag" >🔥 Unlock New Skills</h2><p class="bb_paragraph" >Expand your arsenal with powerful new abilities. Experiment with different combinations and create unique strategies for survival.</p><p class="bb_paragraph" > </p><p class="bb_paragraph" ><span class="bb_img_ctn"><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4796770/extras/fb5252d57d4004ff309de45cbc519ef2.poster.avif?t=1781293112" width=854 height=480 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4796770/extras/fb5252d57d4004ff309de45cbc519ef2.webm?t=1781293112" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4796770/extras/fb5252d57d4004ff309de45cbc519ef2.mp4?t=1781293112" type="video/mp4"></video></span></p><h2 class="bb_tag" >🧟 Obliterate Massive Zombie Hordes</h2><p class="bb_paragraph" >Face thousands of undead enemies and unleash chaos across the battlefield. Watch entire hordes fall under your growing arsenal of weapons and skills.</p><p class="bb_paragraph" ><span class="bb_img_ctn"><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4796770/extras/9df7a4b8a70a721d168b122e0c86c8ef.poster.avif?t=1781293112" width=854 height=480 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4796770/extras/9df7a4b8a70a721d168b122e0c86c8ef.webm?t=1781293112" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4796770/extras/9df7a4b8a70a721d168b122e0c86c8ef.mp4?t=1781293112" type="video/mp4"></video></span></p><h2 class="bb_tag" >☢️ Devastating B2 Airstrikes</h2><p class="bb_paragraph" >Turn the tide of battle with powerful B2 bomber strikes. Erase massive zombie formations and create breathing room when the battlefield becomes overwhelming.</p><p class="bb_paragraph" ><span class="bb_img_ctn"><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4796770/extras/1e726e870d126331097a4fc3febfcc7b.poster.avif?t=1781293112" width=854 height=480 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4796770/extras/1e726e870d126331097a4fc3febfcc7b.webm?t=1781293112" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4796770/extras/1e726e870d126331097a4fc3febfcc7b.mp4?t=1781293112" type="video/mp4"></video></span></p><h2 class="bb_tag" >🚁 Call in Helicopter Support</h2><p class="bb_paragraph" >Deploy an attack helicopter to patrol the battlefield and bombard approaching hordes with explosive firepower.</p><p class="bb_paragraph" ><span class="bb_img_ctn"><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4796770/extras/3d4f064a5423f2211abb6587283d56fa.poster.avif?t=1781293112" width=854 height=480 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4796770/extras/3d4f064a5423f2211abb6587283d56fa.webm?t=1781293112" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4796770/extras/3d4f064a5423f2211abb6587283d56fa.mp4?t=1781293112" type="video/mp4"></video></span></p><h2 class="bb_tag" >📈 Upgrade Your Power</h2><p class="bb_paragraph" >Invest in upgrades to increase damage, improve efficiency, and strengthen your defenses against ever-growing zombie threats.</p><p class="bb_paragraph" ><span class="bb_img_ctn"><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4796770/extras/90b2f10ac1442db8d49b475632e98d36.poster.avif?t=1781293112" width=854 height=480 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4796770/extras/90b2f10ac1442db8d49b475632e98d36.webm?t=1781293112" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4796770/extras/90b2f10ac1442db8d49b475632e98d36.mp4?t=1781293112" type="video/mp4"></video></span></p><h2 class="bb_tag" >⚙️ Unlock the Circular Saw</h2><p class="bb_paragraph" >Discover and unlock the deadly Circular Saw. Slice through waves of zombies with a relentless spinning blade designed for maximum destruction. </p><p class="bb_paragraph" ><span class="bb_img_ctn"><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4796770/extras/7302a809cc0d18f210a712326ab50948.poster.avif?t=1781293112" width=854 height=480 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4796770/extras/7302a809cc0d18f210a712326ab50948.webm?t=1781293112" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4796770/extras/7302a809cc0d18f210a712326ab50948.mp4?t=1781293112" type="video/mp4"></video></span></p>

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Operation: Outbreak Idle Demo Achievements