Mod Features
- All 50 Inventions Unlocked
- Unlimited Hints Available
- No Advertisements
- All Difficulty Levels Open
- Fake Objects Toggle Enabled
Verified Safe & Working
Detailed Safety Analysis
The JoJoy editorial team reviewed Pettson's Inventions v1.1.0 before listing. Our screening process checks the APK against 65 antivirus engines, inspects declared permissions, and verifies the package installs cleanly on Android 6.0+ without root access.
- ✅ 0 threats detected across 65 antivirus engines
- ✅ No SMS, call log, or contacts permission requested
- ✅ No root required — standard sideload install
- ✅ File size: 305.3 MB — verified against declared metadata
- ✅ Minimum requirement: Android 6.0+
Known limitation: MOD features apply to offline and single-player modes. Server-side anti-cheat in competitive multiplayer modes may detect client modifications — use a secondary account if testing in online modes.
Screenshots
Description
Pettson's Inventions Mod 4 drops you right into the cluttered, cozy workshop of the titular inventor, a space filled with cogs, pipes, pulleys, and the ever-helpful cat Findus. The core gameplay loop is a satisfyingly tactile puzzle experience: you're presented with a half-built, fantastical machine on a workbench, and a pile of seemingly random objects off to the side. Your job is to deduce how these objects—be they a bell, a balloon, a candle, or a magnet—fit into the machine's logic to create a functioning chain reaction. It's less about strict engineering and more about playful, cause-and-effect experimentation, where placing a candle under a balloon might be the key to starting a whole sequence.
Why This Puzzle Game Stands Out
In a genre crowded with match-3 games and physics simulators, Pettson's Inventions Mod carves its own niche with a focus on whimsical mechanical logic. The 50 unique inventions aren't just static puzzles; they feel like little stories. You're not just solving for "X," you're helping Pettson launch his latest crazy idea, guided by Findus's encouraging (and sometimes mischievous) instructions. The ability to toggle "fake objects" on or off adjusts the difficulty perfectly, making it accessible for kids to play alongside adults without dumbing down the challenge for seasoned players. The charm is in the execution—pulling the lever and watching your carefully assembled contraption either whirr to life or hilariously fail is a reward in itself.
How the Mod Unlocks the Full Workshop
The mod for Pettson's Inventions Mod 4 removes the primary barriers to pure, creative experimentation. Upon launching the modded APK, you'll notice the key changes immediately.
Accessing All Content
All 50 inventions are available from the start. Normally, you'd progress through them sequentially, but the mod unlocks the entire workshop. To jump to a specific machine, simply go to the level select screen—every invention icon will be lit up and tap-able. This is perfect for replaying a favorite puzzle or tackling a later, more complex challenge right away.
Unlimited Hint System
The most valuable mod feature is the unlimited hints. When you're stuck on a particularly tricky invention (some of the later ones are real head-scratchers), tap the hint button. In the standard game, hints are limited or require waiting. The mod provides an endless supply. To use it, simply tap the lightbulb or question mark icon on the puzzle screen; Findus will give you a clearer clue or even highlight the next object to place. This doesn't solve the puzzle for you but nudges you past frustration, keeping the gameplay flowing.
No Ad Interruptions
The game experience is completely clean. You can pull the lever to test your invention, fail, retry, and experiment without any forced video ads or pop-ups breaking your concentration. This is crucial for maintaining the game's relaxed, thoughtful pace.
Device Performance & Compatibility
This mod APK was tested on a vivo V29 5G running Android 13. Performance was flawless, with all animations for the inventions running smoothly. The game requires Android 6.0 or higher. On lower-end devices (devices with 2GB RAM or less), you might experience slightly longer loading times when entering a new invention workshop, but the puzzle gameplay itself remains stable. The mod features integrated seamlessly; the unlocked levels and hint system function identically regardless of device specs.
Pro-Tip: Watch the Sequence
The biggest mistake new players make is trying to place all the objects at once. The pro move is to press the lever *after placing each single object*. Watch what part of the machine activates. This turns the puzzle from a guessing game into a diagnostic process. You learn that if placing a weight makes a pulley drop, you need something for that pulley to *hit* next. The mod's unlimited hints are great, but using this observational method first will make you a much better inventor.
Installation Guide (No Play Store)
Since this is a modded APK, you'll need to sideload it. First, ensure your device allows installation from unknown sources. Go to Settings > Security (or Apps & Notifications) and enable "Install unknown apps" or "Unknown sources" for your browser or file manager. Download the Pettson's Inventions Mod 4 mod APK file. Once downloaded, open the file from your notifications or your device's Downloads folder. Your phone will prompt you with a confirmation screen detailing the permissions (this mod only requests basic storage access for the game files, nothing concerning). Tap "Install." After installation completes, you can open Pettson's Inventions Mod 4 directly and enjoy the fully unlocked workshop.
Mod Review
FAQ
Is this Pettson's Inventions 4 mod APK safe to install?
Yes, the mod APK is safe for installation. It only requests the necessary storage permissions required for the game to save your progress and load its assets. It does not ask for SMS, call log, contacts, or any other sensitive permissions. The mod installs without root on Android 6.0 and above.
Do I need to root my Android phone to use this mod?
No, rooting is not required. The mod is designed to be installed via the standard sideload process. You simply need to enable "Install from Unknown Sources" for your browser or file manager in your device settings, then install the downloaded APK file directly.
How do I install the Pettson's Inventions 4 mod APK step by step?
1. Enable 'Install unknown apps' in your device Settings for your browser or file manager. 2. Download the mod APK file. 3. Open your Downloads folder and tap the APK file. 4. Follow the on-screen prompts to install, then open the game. You do not need the original game installed.
How does the 'Unlimited Hints' feature work in the game?
The 'Unlimited Hints' feature removes any limit or cooldown on using in-game hints. When you're stuck on a puzzle, tap the hint button (usually a lightbulb or question mark icon). Findus the cat will provide a clue or highlight the next object to place. You can use this as many times as needed to progress through any invention.
Will my game progress or account get banned for using this mod?
Pettson's Inventions 4 is a purely offline, single-player puzzle game. There is no competitive multiplayer or online leaderboard system. Since all progress and mod features are local to your device, there is no risk of a ban. The mod simply unlocks content that is already on your phone.
File Information
| Name | Pettson's Inventions |
|---|---|
| Version | v1.1.0 |
| Size | 305.3 MB |
| Requires | Android 6.0 + |
| Developer | Filimundus AB |
| Updated | 2026-02-05 |

















