Nebulous.io vs Specimen Zero
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Nebulous.io
Engage in a multiplayer game where you grow by consuming smaller entities and collecting dots. Avoid larger players while strategizing to become the biggest blob. Enjoy various game modes, customization options, and social features.
- Collect dots and gobble smaller players
- Compete with up to 27 players online
- Over 500 unlockable skins
- Upload custom skins
- Multiple game modes including FFA, Teams, and Capture the Flag
- Clan system with Clan Wars
- Offline single-player mode
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Grow your blobs by collecting dots placed throughout the game or gobbling up smaller players. Avoid bigger players attempting to do the same. Compete with other players to become the biggest blob in the universe! Features: ◆ Find groups, play with friends, and join a clan! ◆ Over 500 skins with unique ways to unlock them and more coming! ◆ NEW: Special Power Ups in the Shop! ◆ Upload your own custom skin for other players to see! ◆ Online Multiplayer (up to 27 players per game) ◆ Offline Single-player ◆ FFA, Timed FFA, Teams, Timed Teams, Capture the Flag, Survival, and Soccer Mode! ◆ Mayhem Mode! ◆ XP, Achievements, and Stats! ◆ Clan System with Clan Wars! ◆ Feeling competitive? Try the Arenas! ◆ Space or Grid Theme ◆ Multiple Control Schemes ◆ Server Leader Boards Tips: ◆ Eject mass into a black hole to move it ◆ After some time passes your blobs will recombine ◆ Seek refuge from large players inside black holes if you are small ◆ Black holes will break up or shrink your blobs if you are large ◆ Split up when being chased for a small speed boost
Specimen Zero
Awaken in a mysterious, dangerous location after a kidnapping. Explore dark environments, solve puzzles, and collect items to find your escape. Team up with friends in online multiplayer to survive the horrors.
- Explore dark environments
- Solve puzzles
- Collect and use objects
- Online multiplayer mode
- Create private rooms
- New Forest map
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You wake up in an unknown place and the last thing you remember is being kidnapped. But something has happened in that strange place, something out of the ordinary ... something dangerous. You must discover the way to escape. Because here, you will only find death. -Explore a large dark area: secret buildings, a creepy hospital and mysterious laboratories. -Solve puzzles and search, collect and use objects to escape from the place. -Escape with your friends in online multiplayer mode! (Alpha) INCLUDES: -New map: Forest -Create unlimited private multiplayer rooms -No ads
Screenshots
Verdict
The clearest difference is price: Nebulous.io at Free against Specimen Zero's $1.99. Nebulous.io also leads on update cadence (every 2 weeks vs every 4 months) and ratings volume (2.6K vs 137). Specimen Zero's advantage is ads (none vs shown) and review sentiment (66% vs 54%). On rating, in-app purchases, monetization model and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Nebulous.io is free to download; Specimen Zero costs $1.99 up front. Nebulous.io sells 9 one-off in-app purchases and Specimen Zero sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.1 for Nebulous.io against 4.1 for Specimen Zero. That said, the two scores are not equally well evidenced: Nebulous.io has 2.6K ratings behind it against 137, so its average is the more settled of the two. Written reviews are what separate them: 54% of Nebulous.io's written reviews are positive against 66% of Specimen Zero's.
Nebulous.io ships an update every 2 weeks, Specimen Zero every 4 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.
| Parameter | Nebulous.io | Specimen Zero |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.1 (2.6K ratings) — better | 4.1 (137 ratings) |
| Positive reviews | 54.1% of reviews | 66.3% of reviews — better |
| Number of ratings | 2.6K — better | 137 |
| Update frequency | Every 2 weeks — better | Every 4 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | #96 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 71 MB | 380 MB |
| Age rating | 9+ | 12+ |
| Developer | Simplicial Software, LLC | Cafe Studio Games AG |
Customer experience
Nebulous.io
Specimen Zero
Bugs and requests
Nebulous.io
Reported bugs
5 issues- Progression resets and lost account data
- Connectivity issues and server problems
- Glitches with power-ups and abilities
- Inconsistent performance on iOS devices
- Inability to change name or settings
Requested features
5 requests- Improved matchmaking system
- More game modes and customization options
- Ability to upload custom skins on iOS
- Better community features and moderation
- Reduced in-app purchase costs
Specimen Zero
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Nebulous.io
- 2,000 Plasma$0.49
- 5,000 Plasma$0.99
- 10,000 Plasma$1.49
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- Plasma Boost 7 Days$2.99
- Remove Ads2 variants$2.99
- 10,000 Plasma$4.99
- 50,000 Plasma$4.99
- 100,000 Plasma$7.49
- 500,000 Plasma$24.99
Specimen Zero
- Lisa characterFree
- Founders Pack$0.99
- Marco character$0.99
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- Manuel character$0.99
- Elsa character$0.99
- James character$0.99
- Yellow menu color$0.99
- Gloria skin$0.99
- Jorge skin$0.99
- Daniel skin$0.99
