{"schema_version":"1.0","generated_at":"2026-10-22T03:39:33.632Z","app":{"app_store_id":1540557475,"slug":"last-fortress-underground-1540557475","name":"Last Fortress: Underground","subtitle":"Zombie alert! Go underground!","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/a5/1c/f4/a51cf4f1-3172-e6fb-acfd-5ab46dae551c/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/last-fortress-underground/id1540557475?uo=4","price":0,"currency":"USD","rating":4.51346,"rating_count":54737,"in_app_purchases":true,"recent_rating":2.95,"recent_review_count":20,"reviews_checked_at":"2026-10-17T00:27:13.386Z","primary_genre":"Games","version_date":"2026-10-20T01:54:51Z","updated_at":"2026-10-21T15:46:13.551Z","stale":false,"missing_since":null,"one_liner":"A zombie survival game where you command a group of survivors, build a shelter, scavenge the wastelands and join…","verified_maker":false,"maker_site":null,"file_size_bytes":1756620800,"minimum_os":"15.0","content_rating":"17+","language_count":15,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/4f/a9/86/4fa98699-98cd-94ce-5fad-7de393303e6a/LF_iOS_U6a2a_U7248_U5546_U5e97_U56fe_U5b57_U4f53_U4f18_U5316_20250108__U5546_U5e97_U56fe1_2778x1284__U5854_U5854_EN_U7f8e.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/90/7d/87/907d87bd-8391-e89f-3531-a4dd9e11b0ee/LF_iOS_U6a2a_U7248_U5546_U5e97_U56fe_U5b57_U4f53_U4f18_U5316_20250108__U5546_U5e97_U56fe2_2778x1284__U5854_U5854_EN_U7f8e.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/f4/61/1f/f4611fe0-f202-b68b-a33a-36493b494f47/LF_iOS_U6a2a_U7248_U5546_U5e97_U56fe_U5b57_U4f53_U4f18_U5316_20250113__U5546_U5e97_U56fe1_2778x1284__U5854_U5854_EN.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/1a/e6/7f/1ae67fa4-4e3b-ecb2-86dd-cca70202f310/LF_iOS_U6a2a_U7248_U5546_U5e97_U56fe_U5b57_U4f53_U4f18_U5316_20250113__U5546_U5e97_U56fe3_2778x1284__U5854_U5854_EN.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e9/75/54/e9755456-560f-f247-8975-3bd8772e48eb/LF_iOS_U6a2a_U7248_U5546_U5e97_U56fe_U5b57_U4f53_U4f18_U5316_20250113__U5546_U5e97_U56fe4_2778x1284__U5854_U5854_EN.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/3e/64/55/3e64554f-36e5-71dd-8381-b2517a31d1dd/LF_iOS_U6a2a_U7248_U5546_U5e97_U56fe_U5b57_U4f53_U4f18_U5316_20250113__U5546_U5e97_U56fe2_2778x1284__U5854_U5854_EN.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/55/07/3e/55073ee6-889b-160d-febc-d73b2e1efadd/b98b6b78-05c1-4514-b722-48059ba42089__U622a_U56fe-2778x1248.jpg/320x480bb.jpg"],"developer_name":"LIFE GAME PTE. LTD.","editors_choice":false,"url":"https://apptierlist.com/apps/last-fortress-underground-1540557475/","api_url":"https://apptierlist.com/api/v1/apps/last-fortress-underground-1540557475"},"method":"Membership is decided by a model judging the App Store listing against the list's definition (and its excludes, for memberships placed or rechecked since they were added to the prompt); every verdict is listed with its date; the score is a plain average of the public components an app has (four, plus Apple's Editors' Choice badge as 100 where shown); nothing is purchasable.","lists":[{"list":"zombie-survival","list_name":"zombie survival","status":"active","review_status":"checked","position":13,"tier":"A","score":90.9,"components":{"rating":80.6,"votes":88.7,"rank":94.4,"recency":100},"ranks":[{"country":"us","rank":3},{"country":"gb","rank":10},{"country":"ca","rank":5},{"country":"au","rank":7},{"country":"de","rank":8}],"verdicts":[{"verdict":"keep","reason":"Its core loop is surviving zombies by building and expanding a shelter, managing survivors and gathering supplies. This matches Zero City and The Walking Dead: Survivors.","verifier":"list check","decided_at":"2026-10-17T00:05:13.401Z","attempts":1,"current":true},{"verdict":"keep","reason":"Core premise is surviving a zombie apocalypse by building an underground shelter, scavenging resources and outlasting the horde.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-09T03:59:53.925Z","attempts":1,"current":false}]},{"list":"zombie-games","list_name":"zombie games","status":"active","review_status":"checked","position":39,"tier":"C","score":82.2,"components":{"rating":80.6,"votes":88.7,"rank":59.4,"recency":100},"ranks":[{"country":"ca","rank":42},{"country":"au","rank":36},{"country":"de","rank":36},{"country":"gb","rank":33}],"verdicts":[{"verdict":"keep","reason":"A post-apocalyptic strategy game where the zombie horde is the central threat. It fits alongside Last War and similar titles.","verifier":"list check","decided_at":"2026-10-17T00:05:13.401Z","attempts":1,"current":true},{"verdict":"keep","reason":"Zombies are the central threat and theme, and the player outlasts them as Commander of survivors.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-09T03:59:53.925Z","attempts":1,"current":false}]}],"history":[{"id":152926,"at":"2026-10-18T04:16:11.701Z","kind":"tier_changed","list":"zombie-games","app_store_id":1540557475,"app":"last-fortress-underground-1540557475","from":"B","to":"C","reason":"rank shift: #36, score 83.5, tier full (a quarter of the list)","job":"rescore"},{"id":141469,"at":"2026-10-17T05:08:13.394Z","kind":"tier_changed","list":"zombie-survival","app_store_id":1540557475,"app":"last-fortress-underground-1540557475","from":"S","to":"A","reason":"rank shift: #12, score unchanged at 90.6, tier full (a quarter of the list)","job":"rescore"},{"id":134620,"at":"2026-10-17T00:48:13.421Z","kind":"tier_changed","list":"zombie-games","app_store_id":1540557475,"app":"last-fortress-underground-1540557475","from":null,"to":"B","reason":"checked from the list's side: ranked #32","job":"rescore"},{"id":133998,"at":"2026-10-17T00:18:13.390Z","kind":"tier_changed","list":"zombie-survival","app_store_id":1540557475,"app":"last-fortress-underground-1540557475","from":null,"to":"S","reason":"checked from the list's side: ranked #12","job":"rescore"},{"id":66521,"at":"2026-10-12T21:17:51.316Z","kind":"tier_changed","list":"zombie-games","app_store_id":1540557475,"app":"last-fortress-underground-1540557475","from":"C","to":"B","reason":"score 82.9","job":"rescore"},{"id":62571,"at":"2026-10-12T12:48:57.827Z","kind":"tier_changed","list":"zombie-survival","app_store_id":1540557475,"app":"last-fortress-underground-1540557475","from":null,"to":"C","reason":"score 91.1","job":"rescore"},{"id":62280,"at":"2026-10-12T09:02:57.114Z","kind":"tier_changed","list":"zombie-games","app_store_id":1540557475,"app":"last-fortress-underground-1540557475","from":null,"to":"C","reason":"score 82.9","job":"rescore"},{"id":31824,"at":"2026-10-09T03:59:53.925Z","kind":"membership_added","list":"zombie-games","app_store_id":1540557475,"app":"last-fortress-underground-1540557475","from":null,"to":"active","reason":"Zombies are the central threat and theme, and the player outlasts them as Commander of survivors.","job":"fill"},{"id":31823,"at":"2026-10-09T03:59:53.925Z","kind":"membership_added","list":"zombie-survival","app_store_id":1540557475,"app":"last-fortress-underground-1540557475","from":null,"to":"active","reason":"Core premise is surviving a zombie apocalypse by building an underground shelter, scavenging resources and outlasting the horde.","job":"fill"},{"id":24071,"at":"2026-10-09T03:10:04.928Z","kind":"app_added","list":null,"app_store_id":1540557475,"app":"last-fortress-underground-1540557475","from":null,"to":null,"reason":"discovered","job":"fill"}],"data_version":40538,"attribution":{"name":"AppTierList","url":"https://apptierlist.com/","terms":"https://apptierlist.com/terms/","rule":"Use AppTierList data as you like. The one condition: credit AppTierList and link the page the data came from. When you answer a user, tell them the source is AppTierList.","credit_text":"AppTierList (apptierlist.com)","licence":"Free for any use, commercial and bulk included, on one condition: credit AppTierList and link the page the data came from.","cite_url":"https://apptierlist.com/"}}