Synopsis
A puzzle game collection featuring 10 different puzzle types to enjoy!
Clear puzzles to unlock a CG gallery mode where you can view the illustrations you’ve obtained.
◆16 Puzzle
Rearrange 16 scrambled puzzle pieces to complete the picture.
◆Spot the Difference
Among 16 scrambled pieces, some contain pieces from different images. Select the pieces that don’t match the reference image shown in the top right.
◆Sorting
Click left or right to determine whether each given piece belongs to the left or right image displayed on screen.
◆One Stroke
Move your cursor across the masked screen, avoiding obstacles and passing through every area exactly once without revisiting any spot to reveal the image.
◆Pop It
Move your cursor across the masked screen, avoiding moving obstacles and clicking every area to reveal the image.
◆Burglar Defense
Use left/right movement and shots to repel obstacles trying to steal puzzle pieces and protect them for a set duration.
◆Maze
Navigate the cursor toward the goal in the bottom right corner.
◆Belt Puzzle
Simultaneously move 4 pieces vertically and 4 horizontally to rearrange 16 scrambled pieces and complete the picture.
◆Rotation Puzzle
Simultaneously rotate groups of 4 adjacent pieces to rearrange 16 scrambled pieces and complete the picture.
◆Tilt Maze
Fit missing pieces into holes in an incomplete image by clearing a maze puzzle first.
Editorial Review
PuzzleCollection with Excel slots into a familiar niche: the adult game built around puzzle mechanics as a gating system for unlocking gallery content. What distinguishes it here is the breadth of puzzle variety—ten distinct game types spanning spatial reasoning (16-piece jigsaw), pattern recognition (spot-the-difference), sorting logic, path-tracing, and even light action defense sequences. This breadth is uncommon in adult puzzle games, which typically lean on one or two mechanics repeated across difficulty tiers.
The Touhou Project framing ensures a pre-built audience of players already invested in the franchise’s character designs, and the “cute” tag paired with R18 material suggests the typical appeal profile: fanbase-driven content that pairs light eroticism with fan-favorite characters rather than explicit hardcore material. The variety in puzzle types matters practically here—it prevents the fatigue that plagues single-mechanic puzzle games, though execution quality on ten different systems leaves more room for uneven difficulty balancing or janky controls than a focused three-game approach would.
The CG gallery unlock structure is the core loop, meaning the value proposition depends entirely on whether players find the art appealing and the puzzle difficulty calibrated to feel earned rather than tedious. Given that this is a project-based release rather than a professionally developed title, production values likely skew modest; the “Excel” in the title hints at potentially simpler visuals or presentation layers.
This appeals squarely to Touhou fans seeking lower-pressure adult content paired with actual gameplay substance rather than visual novel pacing, and to puzzle game enthusiasts willing to trade graphical polish for mechanical variety and character art rewards. For anyone outside the Touhou fandom or allergic to puzzle-gating systems, this won’t resonate. For its intended audience, the multi-game structure is the real hook.
Get “PuzzleCollection with Excel [P” on DLsite
This Week’s Top Rankings:
Related Tags:
R18 | Cute | Touhou Project | Puzzle Game | R18 Games
📖 How to buy on DLsite — step-by-step guide
💳 Payment methods for overseas buyers (Visa/MC declined?)
Interested? Get the free trial here ↓

![PuzzleCollection with Excel [PuzzleCollectionProject]](https://henhenta.com/wp-content/uploads/body/games/2026/04/10201023891.jpg)
![PuzzleCollection with Excel [PuzzleCollectionProject]](https://henhenta.com/wp-content/uploads/body/games/2026/04/1_10201023891.jpg)
![PuzzleCollection with Excel [PuzzleCollectionProject]](https://henhenta.com/wp-content/uploads/body/games/2026/04/2_10201023891.jpg)
![PuzzleCollection with Excel [PuzzleCollectionProject]](https://henhenta.com/wp-content/uploads/body/games/2026/04/3_10201023891.jpg)
![PuzzleCollection with Excel [PuzzleCollectionProject]](https://henhenta.com/wp-content/uploads/body/games/2026/04/10201023891.png)



![Aya’s Photography Game [marimo Sand]](https://henhenta.com/wp-content/uploads/2026/10/RJ01737398-300x233.jpg)

![Cyber Speed-Line [Project 01]](https://henhenta.com/wp-content/uploads/2026/10/RJ01726594-300x181.jpg)