Matrix Hearts is a Ren'Py dating sim from Blue Otter Games, presented with animated 3D CG visuals and a harem setup with humor. You play a former Olympic climbing prospect whose leg is damaged after a climbing-wall accident, ending his shot at the big leagues. A prototype sci-fi treatment offers a possible fix, while his withdrawn mood, a town of colorful characters, and tempting choices make the climb back to champion status difficult.
The current build is S1 v0.3.9, released March 27, 2025, and development is ongoing. It runs on Windows, Linux, and Mac in English, uncensored. The latest Chapter 3 Part 2 update makes the ZippyApp fully playable across versions after fixing page-jump problems. It also switches the main menu to the high-quality Steam version, restores scene replay from the menu and phone, and improves Stormy’s route so shelter choices follow earlier decisions.
Developer's description
He was supposed to be somebody. He was going to be a contender! Then he took a rock climbing wall to the knee. A would-be Olympic climber sustains an injury to his leg that keeps him from competing and a shot at the big leagues, with the only possible fix being a prototype technology that is sci-fi at best. Between his new introverted mood, a town of colorful characters, and the fruits of temptation, getting this tech to work may require all he's got. There's a big cliff to climb for him to be a champion again!
Chapter 3 Part 2 (v3.9)
+The ZippyApp is now playable in full on all versions! I have fixed the major issues with the app jumping to the top of the page every time a new Zippy is played.
+The Main Menu is now the high-quality version used for the Steam version. I have decided to keep the animated menu for the Steam version since I've already given a lot of features to the public version.
+The Scene Replay on both the Main Menu and the Phone now returns as programmed. There might be issues with the phone, but it's going to be taken out in a later patch anyway.
+Stormy's route should now be synonymous with the decisions you chose! I added a variable that shouldn't clear to her route in the storm shelter unless you are on her route. You might have to play before meeting Stormy for this variable to trigger.
+Fixed a few renders that weren't in the game. There might be others, so please be on the lookout so I can fix those too!
+Added new Main Menu music!
+Added a new stats screen using the Matrix at the top right of the screen! This is going to give you your current romance values for each girl. A more complete version is going to be Steam exclusive, again to give them a bit more.
Chapter 3 Part 2 (v3.4)
+1700+ new renders
+All animations in game
+The complete second arc of Chapter 3
+Otter Hunt for Chapter 3
+1-3 hours of gameplay depending on read speed, attention to renders, and replays
This is not the Steam version. It doesn't include the full version of the game, with features like achievements, the Point and Click Spheres (aside from one to introduce a character), the new phone feature, polished new animations, and more.
Chapter 3 Part 1 (v3.2)
+1700+ new renders
+The complete first arc of Chapter 3
+10+ new licensed songs
+All new graphics
+1-3 hours of gameplay depending on read speed, attention to renders, and replays
This update does not have animations! There are a few in there for programming, but they have been edited for this edition of the game. This includes the Otter Hunt images. Both are coming in the next update in a week or two.
Chapter 2 (v0.2.2) The Point and Click Sphere Update
The new update isn't huge, but it took us a while because we changed graphics system. Please keep that in mind while you play.
+140 new renders
+2 new animations
+Big bug fix and grammatical edits (there's weren't many, but enough to merit)
+More interactive side-stories that are going to be built upon in new chapters
+A new in-game Unlockable (the Otter Logos in the side stories are now codes. When you collect them all, you unlock something in the third sphere)
+Our new Daz graphics!
In order to play the content, please start a save from the beginning of Chapter 2! Thanks!
Chapter 2 (v0.2.1)
+1000+ new renders
+25 new animations (There's a few we have to fix the pants on and one where we think one of the frames is off. Fixing in next update)
+20+ new licensed songs
+Replay Feature
+Proper music room with all songs added
+1-3 hours of gameplay depending on read speed, attention to renders, and replays
(Gameplay Changes)
+The Lust counter has been removed because it was causing too many complicated paths, and we didn't want to close things off offering only Lust encounters
+Matrix Hearts can now only be gained. You are going to have to work at them with the right choices!
v0.1.2 (Chapter 1 in full)
+Updated almost all scenes to higher quality (with exception to a few hair clippings and a scene for better lighting)
+ 3 Point and Click Spheres! These are single renders. No grinding, no clicking to get to new zones, only a single render (or sphere) for added fun. Get your click on and explore side-stories with other characters, gain knowledge about the town, and introduce yourself to Zippyzinc! (Once again, these do not affect main story).
+100 new renders
+ All routes should be fixed now
+Updated UI
Chapter 1 (v0.1)
+About 30 - 60 minutes of gameplay
Player reviews
Player rating4.0 / 5 · 20 ratings
Written reviews20 · avg 3.7★
Positive (4–5★)60%
Latest review2026-01-15
What players say
Reviews are mixed, with many praising quirky characters and dialogue, while several criticize limited choices.
5★8
4★4
3★2
2★6
1★0
Players like
Quirky female characters with distinct personalities
Funny dialogue and engaging banter
Attractive character models and settings
Story premise is interesting and well told
Common complaints
Choices feel limited or binary
Main character can feel annoying or flat
Visuals and animations are inconsistent or average
Best for players who enjoy quirky characters and comedic slice-of-life romance.
Summarised from 20 written player reviews.
Tirgrimm2026-01-15★★★★★
I struggled through to Chapter 2 and tried to like the game, but the conversations are just torture and the characters are all so flat that they could walk upright under the carpet. The main character is extremely annoying and…
Dessolos2024-09-15★★★★★
If you are looking for a good story well this won't be for you. This game is more a slice of life with a bit of a mystery storyline but more focused on the slice of life. Also depending on…
Deleted member 531572024-07-23★★★★★
The models of the girls used are hot, but thats about it for the postives regarding this VN. for starters this game has fake choices, and almost kinetic like. The choices are binary either gain or lose points. There is…