Gray Matter vs Professor Heinz Wolff's Gravity
Side-by-side comparison of features, pricing, ratings, and alternatives.

Players control Dr. David Styles and street‑performer Samantha Everett as they dive into a mysterious experiment at Oxford University. The duo must locate six test subjects while confronting bizarre, reality‑distorting events that challenge what is real. Gray Matter blends classic point‑and‑click mechanics with a psychological horror narrative, asking players to question the nature of perception and the power of the human mind. Solve intricate puzzles, explore atmospheric locations, and uncover a story that twists with each decision.
Professor Heinz Wolff's Gravity challenges players to manipulate gravity and other physics properties to solve 100 increasingly tricky puzzles. Available on PC, the game offers a single‑player experience that’s perfect for all ages, blending education and fun. Developed by EM Studios and published by Deep Silver, this puzzle title earned a modest critic score but remains a great way to keep your mind sharp. With ESRB E and PEGI 3 ratings, it’s suitable for the whole family.
- Engaging, mind‑bending storyline
- Strong atmospheric visuals and sound
- Multiple endings add replay value
- Well‑crafted puzzles that fit the narrative
- Engaging physics‑based mechanics
- 100 varied puzzles provide long playtime
- Family‑friendly rating suitable for all ages
- Low system requirements
- Occasional pacing issues in early chapters
- Some dialogue choices feel limited
- Graphics may feel dated compared to modern titles
- Modest critic score may deter some players
- No multiplayer or online features
- Graphics are dated compared to modern titles
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Solve physics‑based puzzles using gravity in a family‑friendly adventure
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Wacky physics puzzles that let you crank, gear, and catapult your way to creative solutions.
The Verdict
AI-generated from listing dataBoth are single‑player puzzle games, but Gravity offers family‑friendly physics challenges with 100 puzzles, while Gray Matter delivers a horror‑themed narrative adventure with multiple endings and a slightly higher critic score.
Key differences
- •Genre & theme: physics‑based puzzles (Gravity) vs point‑and‑click horror narrative (Gray Matter).
- •Audience rating: ESRB E/PEGI 3 (Gravity) vs ESRB T/PEGI 12 (Gray Matter).
- •Critic reception: 53/100 (Gravity) vs 60/100 (Gray Matter).
- •Replay hooks: 100 distinct puzzles (Gravity) vs multiple story endings (Gray Matter).
- •Accessibility: simple controls and easy‑to‑hard scaling (Gravity) vs mature themes and limited dialogue choices (Gray Matter).
Gameplay & fun factor
Gray Matter’s narrative horror and multiple endings earned a higher critic score (60) than Gravity (53).
Platform availability
Both are listed only for PC; no further platform data provided.
Pricing & value
Both are paid one‑time purchases; exact price not specified.
Multiplayer / co‑op
Both are single‑player only.
Content & replayability
Gravity offers 100 unique puzzles; Gray Matter offers multiple endings – each provides comparable replay value.
Difficulty & accessibility
Gravity scales from easy to challenging and is rated E/PEGI 3, making it more accessible for younger players.
Graphics & performance
Both are described as dated; Gravity has low system requirements, Gray Matter uses hand‑drawn art.
Choose Gray Matter if…
Players who prefer a mature, story‑driven horror adventure with multiple endings.
Choose Professor Heinz Wolff's Gravity if…
Families or younger players seeking accessible, physics‑based puzzle challenges.
Common questions
What is the price of each game?
Both are sold as a one‑time paid purchase; exact price not specified.
Is either game suitable for children?
Gravity is rated ESRB E/PEGI 3 and designed for all ages; Gray Matter is rated ESRB T/PEGI 12, targeting teens and adults.
Which game offers more replay value?
Gravity provides 100 distinct puzzles; Gray Matter offers multiple story endings – both give comparable replay incentives.




