The Hundred Line -Last Defense Academy- Cover Art

The Hundred Line -Last Defense Academy- (v1.1.2)

Adventure 28.91 GB v1.1.2 4.2K views

Game Overview

A desperate school siege turns an ordinary teenager’s life into a hundred-day fight for survival. Takumi Sumino begins in a bland Tokyo housing complex, but a monster attack and a horrifying bargain with the mysterious Sirei leave him enrolled at Last Defense Academy. Trapped behind supernatural flames with fourteen other students, he must help defend the campus from grotesque invaders while searching for a way back to normal life. The tone blends absurd humor, teenage bonding, body horror, and the kind of escalating dread expected from the minds behind Danganronpa and Zero Escape.

Days alternate between story-heavy visual-novel scenes, relationship building, exploration, and tactical defense missions. When enemies assault the academy, battles play out as turn-based strategy encounters where careful positioning and each student’s distinct Specialist Skills matter as much as raw offense. Free periods let Takumi talk with classmates, deepen bonds, scour the ruins beyond the school, and turn gathered materials into gifts that can strengthen those connections. Choices made throughout the campaign shape the story’s direction, and the threat of brutal, unexpected outcomes gives even apparently casual conversations some weight.

Last Defense Academy stands out because it treats its school setting less like a mystery clubhouse and more like a pressure cooker under constant military siege. Its cast-driven drama has the colorful personalities and branching suspicion of Kodaka’s work, while Uchikoshi’s influence shows in the high-concept premise and uncertainty surrounding every apparent truth. Tactical battles add a welcome active layer to a format usually dominated by dialogue, making the downtime feel like preparation rather than filler. Fans of Danganronpa, 13 Sentinels, Fire Emblem, or Zero Escape should find plenty to enjoy, especially if they want a story-first adventure that is willing to be strange, funny, and merciless.

Screenshots

Installation

  1. Select the Download button at the top of this page to open UploadHaven.
  2. On UploadHaven, wait for any countdown, then select Free Download. Optional: UploadHaven Pro for faster downloads.
  3. When complete, extract the archive to a The Hundred Line -Last Defense Academy- folder using 7-Zip.
  4. Open the extracted folder and start the game normally.
  5. For errors, check Setup Guide & Troubleshooting below. Keep your security software enabled.

System Requirements

  • Requires a 64-bit processor and operating system
  • OS: Windows10/11
  • Processor: Intel Core i3-7100 / AMD A10-7850K
  • Memory: 8 GB RAM
  • Graphics: NVIDIA GeForce GTX 660 / AMD Radeon RX 560
  • DirectX: Version 11
  • Storage: 32 GB available space
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Setup Guide & Troubleshooting

How do I fix missing DLL errors for The Hundred Line -Last Defense Academy- (v1.1.2)?

After extracting The Hundred Line -Last Defense Academy- (v1.1.2), navigate to the _Redist or _CommonRedist folder inside the game directory and install DirectX, Vcredist, and any other dependencies included.

What should I do if the downloaded file is corrupted?

The full archive is 28.91 GB — make sure your download completed fully before extracting. Use 7-Zip to extract the files. If you still see a "file corrupted" error, re-download and try again.

Do I need to run the game as administrator?

Usually, no. Start the game normally from the extracted folder. If you see a permissions or save error, check that the folder is writable and follow the game's documented fix. Only grant administrator access when a trusted game's specific setup requires it.

How do I update my GPU drivers for this game?

The Hundred Line -Last Defense Academy- (v1.1.2) requires a NVIDIA GeForce GTX 660 / AMD Radeon RX 560 or equivalent. Update your NVIDIA or AMD drivers to the latest version for the best performance.

The game won't launch — what should I try?

Check that extraction completed and your PC meets the system requirements, including Version 11. Note any error message before choosing a fix. If it identifies a missing runtime, install the required DirectX components or Microsoft Visual C++ Redistributable from Microsoft.

My antivirus is blocking the game — is it safe?

A warning needs to be investigated; the download source alone cannot confirm that a file is safe. Keep your security software enabled and review the detection details. Do not run or restore a flagged file unless you have verified that it is a false positive. If you are unsure, leave it quarantined.

Need more help? Browse our FAQ & Troubleshooting Guide for solutions to common issues.
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