Successful defense at zero pop
SUCCESSFUL_DEFENSE_AT_ZERO_POP2.2%

Achievements and their recorded unlock rates.
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SUCCESSFUL_DEFENSE_AT_ZERO_POPGET_MAX_LEVEL_ROBOTGET_ALL_STARS_IN_A_MISSIONWIN_TEAM_MULTIPLAYERTRICK_DEATH_STARKILL_BEASTFINISH_HALF_1_CAMPAIGNCAPTURE_PLANET_AT_ZERO_PLANETSCOMPLETE_X_MULTIPLAYER_MATCHESKILL_ONE_MILLION_POPULATIONWIN_FFA_VS_3_HARD_AIGET_MAX_LEVEL_TRADERWIN_IN_EVERY_GAME_MODEGET_50_STARS_1_CAMPAIGNGET_40_STARS_1_CAMPAIGNGET_30_STARS_1_CAMPAIGNGET_20_STARS_1_CAMPAIGNGET_10_STARS_1_CAMPAIGNGET_5_STARS_1_CAMPAIGNGET_60_STARS_1_CAMPAIGNFINISH_1_CAMPAIGN