
Game Overview
A lone young woman wakes in a freezing void with no memory, no safe path, and only a fragile light pushing back the dark. Lost Chapter frames its adult roguelite deckbuilding around that unsettling descent, mixing sparse story fragments with a steadily deepening run through hostile floors. The mood is more intimate and eerie than heroic: every ascent into danger promises another clue about the protagonist while threatening to end the attempt and send her back to the beginning.
Each run starts from the same basic deck, then branches according to the cards, stat boosts, enemy encounters, and stranger events encountered between battles. Combat is turn-based and card-driven, asking players to spend available resources on direct attacks, defensive tools, buffs, debuffs, and specialized synergies rather than simply choosing the biggest damage number. More than 40 card types support different approaches, including magic-focused builds, and a deck can grow by as many as 30 additions during a climb. Randomized rewards and route decisions make adaptability important, since a powerful strategy may emerge from an unexpected card combination rather than a predetermined build.
Its adult material is integrated into progression rather than treated solely as a separate gallery, with scenes unlocked by fulfilling particular circumstances during runs, including certain status conditions. That system gives defeats, risky debuffs, and unusual choices a purpose beyond pure combat efficiency, though players looking only for a conventional card battler may find the mature framing central to the experience. Fans of Slay the Spire-style deck construction who want a darker, more character-focused variation will recognize the satisfying rhythm of assembling a run piece by piece. Lost Chapter suits deckbuilding veterans willing to experiment with imperfect hands and newcomers who prefer a smaller-scale roguelite with clear card limits, accessible combat, and an adult narrative mystery at its core.
Screenshots
Installation
- Select the Download button at the top of this page to open UploadHaven.
- On UploadHaven, wait for any countdown, then select Free Download. Optional: UploadHaven Pro for faster downloads.
- When complete, extract the archive to a Lost Chapter folder using 7-Zip.
- Open the extracted folder and start the game normally.
- For errors, check Setup Guide & Troubleshooting below. Keep your security software enabled.
System Requirements
- OS: Windows 8/8.1/10
- Processor: 3GHz以上
- Memory: 8 GB RAM
- Graphics: DirectX 10 compatible graphics card
- DirectX: Version 10
- Storage: 500 MB available space
Setup Guide & Troubleshooting
How do I fix missing DLL errors for Lost Chapter (v1.10 & R18)?
After extracting Lost Chapter (v1.10 & R18), 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 492.80 MB — 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 game won't launch — what should I try?
Check that extraction completed and your PC meets the system requirements, including Version 10. 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.