
Kazutaka Kodaka and Kotaro Uchikoshi join forces for the first time to deliver the ULTIMATE adventure game! 15 students are tasked with defending a school from grotesque monsters for 100 days. Can they make it to the end? And will they survive long enough to uncover the truth?
Modeled estimate, not a reported figure. How we estimate →
Media

About
Takumi Sumino is a totally average teenager living in the Tokyo Residential Complex, a place where every day is much like the last and nothing bad ever happens. All that changes when freakish monsters attack the town and start wreaking havoc. A strange creature calling himself Sirei appears and offers Takumi the power to protect those he holds dear... All he has to do is stab himself in the chest!
The next thing he knows, Takumi is in Last Defense Academy, a school in the middle of nowhere surrounded by a wall of otherworldly flames. He and 14 other students have been drafted into the Special Defense Unit, a team tasked with keeping the school safe for the next 100 days. How much are they willing to sacrifice to take back their normal lives and save the world from the grotesque school invaders?
The curtain rises on 100 days of war and despair...
Takumi's choices will decide his future, but there's no telling what kind of consequences these decisions might have...
When the invaders attack, it's up to you to protect the school in SRPG battles.
Use each student's unique Specialist Skills to turn the tide of battle in your favor!
Spend time with your teammates to deepen your bonds, or explore the wilderness and ruins outside the school.
You can even use the items you find to craft gifts and get even closer to your allies!
Genres
Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Languages: English*, Japanese*, Simplified Chinese, Traditional Chinese, Korean*languages with full audio support
Updates
Build ids and update times come straight from Steam's PICS — the same source SteamDB reads. Patch history grows as we record new builds.
Engagement
Hours played at review time, across 606 reviews with recorded playtime.
Reviews
Themes across 604 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
positive critical· bar length = how often the theme comes up
Reviews
好玩
Такое знать надо
我一直都是小高gachi的啊 不过刚推完真相大白线老婆全死了是什么意思(
This game has genuinely ruined the visual novel genre due to knowing that no other game will ever give me the same mix of complete and utter hatred for some of the writing decisions while wanting to continue just because of some random pull making me want to keep going that after 6 months I still cannot put to words
Originally played through all 100 endings on Switch back when it came out, decided to pick up the Steam version and replayed through route 0. Absolutely love this game to death and would recommend it to no end, it's just so wonderful.
특방대는 세계 제일! 영원불멸의 무적 부대! 무슨 일이 있어도 꺾이지 않아! 특방대는...최강이다아아아!!
The days repeat... Round and round Round and round Round and round like a carousel
你是谁?请支持百日战纪!
你是谁 请支持百日战纪
Storyline 10/10 Gameplay 10/10 Overall 10/10 [spoiler] Feedback: try to have the some variety for each other path. For example, most battles are too repetive and can get very boring over time. Maybe try to add a bit more mix into the most battle for the second part of the game such as having different bosses combinations for different paths [/spoiler]
Related
Related
Trends
Modeled estimate over time, reconstructed from Steam's monthly review histogram.
Engagement
DAU/MAU are modeled from peak concurrent players (≈×8 and ×28) — Steam publishes no active-user counts, so treat these as rough estimates, not reported figures.
Audience
Audience
Games most often reviewed by the same players — an audience-affinity signal from our review sample, not full ownership data.
Estimated from the language of this game's reviews — a proxy for where players are, not official Steam demographics.
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