Welcome to the Titanfall Wiki — the most comprehensible, informational, online encyclopedia that revolves around the universe of Respawn Entertainment's first-person mecha shooter franchise, Titanfall. Maintained by fans and players, the Titanfall Wiki has over 1,577 articles combined by 37,374 edits since June 7, 2013, and you can help!
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Frontier Defense is a co-operative, wave-based mode featured in Titanfall and returning to Titanfall 2. The mode involves four Pilots defending a Harvester from increasingly difficult waves of invading IMC troops. The mode features several unique types of NPC enemy and several unique mechanics not seen elsewhere in regular gameplay.