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Survival games usually focus on hiding, but Frontier: Siberia forces you to stand your ground against a relentless tide of mutants. You are trapped at Object-31, and the frozen taiga is vomiting up grotesque creatures that want nothing more than to tear your base apart. You must place machine guns, flamethrowers, and plasma batteries along the path to thin the herd before they reach your doorstep. Strategic placement is your only hope because certain towers create powerful synergies when combined against the waves of enemies. Upgrading your gear between levels allows you to permanently enhance your arsenal for the tougher encounters ahead. Keeping the base health above zero is the difference between a successful mission and becoming another statistic in the facility logs. Scavenging parts and managing your coins effectively will help you survive the encroaching winter horror. You can play this tactical defense game for free right now in your browser without any downloads required.
Goal: stop infected creatures from reaching station "Object-31". Enemies come in waves along the path — you defend the base with towers.
• Build towers: tap an empty pad and pick a tower from the arsenal (or pick the tower first, then the pad). Each one costs coins.
• Coins drop from kills — spend them on new towers and upgrades during the battle.
• Tap a placed tower to upgrade, sell or move it.
• The "Start" button launches a wave; ❚❚ pauses, 2× speeds up time.
• Keep the base health bar above zero through all waves. The more base HP you finish with, the more stars (up to 3★).
• Stars and wins grant crystals — invest them in the global upgrade tree to strengthen every tower.
Strategy enthusiasts who enjoy intense survival scenarios and tactical tower defense mechanics. Fans of cold-climate horror themes and incremental progression systems will find plenty to master while climbing the leaderboard. Casual players seeking a quick but challenging browser experience will appreciate the accessible controls and deep upgrade paths.
You earn crystals by completing campaign levels and achieving high star ratings based on your remaining base health.
Yes, the game is fully optimized for mobile browsers, allowing you to control your defenses with simple taps and swipes.
Your main objective is to protect station Object-31 from waves of infected wildlife by building and upgrading various defensive towers.