Terraforge vs SLIME or BYE
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Terraforge
Combine basic elements like fire and water to discover new ones, progressing from simple lifeforms to complex concepts like galaxies. Solve over 260 recipes, track your progress through milestones, and unlock hints with a one-time purchase.
- Combine elements to discover new ones
- Over 260 recipes to find
- Track discoveries in a personal grimoire
- Progress through 31 milestones
- Unlock recipe hints with a one-time purchase
- Play offline
- Sync progress via iCloud
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Start with Fire, Water, Air, and Earth. End with Dragons, Galaxies, and the Universe itself. Every discovery begins with one question: what happens if I mix these two? Drag elements together and watch mud become life, life become civilization, and civilization become legend. 208 ELEMENTS. ONE STARTING POINT. Begin with four primordial elements and forge your way through 13 tiers of discovery. Combine Lizard and Fire to create a Dragon. Mix Day and Night to unlock Time. Strap a Human to a Rocket and launch an Astronaut. Every recipe makes sense — and every discovery feels earned. 266 RECIPES TO FIND From intuitive first steps (Water + Earth = Mud) to legendary breakthroughs (Knight + Dragon = Hero), each combination is a puzzle waiting to be solved. Six rarity tiers — from Primordial to Legendary — reward your curiosity with increasingly spectacular effects. YOUR GRIMOIRE AWAITS Track every discovery in your personal grimoire. Browse 16 categories from Nature and Mythical to Space and Pop Culture. Tap any element to read its story, see its recipes, and discover what it creates next. 31 MILESTONES Your journey has chapters. Create your first Plant. Discover a Dragon. Build an Empire. Each milestone celebrates your progress — from "Welcome to forging, apprentice" to "You have mastered creation itself." EVERY DISCOVERY IS A CELEBRATION Common elements sparkle. Rare ones send shockwaves. Legendary discoveries shake the screen and rain gold. Ambient crystalline tones and rarity-scaled sound effects bring every combination to life. MASTER FORGER UPGRADE One purchase. Yours forever. Unlock recipe hints for undiscovered elements. All future content included. No subscriptions. Play offline. Sync progress across devices with iCloud. Combine. Discover. Create everything from nothing.
SLIME or BYE
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SLIME OR BYE is a gross-out quiz show hosted by the one and only Dr. Icky, the world's most enthusiastic disgusting-science expert. Answer questions about nature's weirdest, slimiest, creepiest creatures and prove you've got the guts (and the gross facts) to survive each round. Get an answer right and Dr. Icky cheers you on. Get one wrong and... well, you might just get SLIMED. WHAT'S INSIDE • Fast, fun multiple-choice rounds packed with real, jaw-dropping gross-science facts • Collect 180+ "specimen cards" for every creature you discover in your Specimen Lab • Earn badges for streaks, perfect rounds and big milestones • Lifelines, score streaks and survival ranks keep every round exciting • Hosted by Dr. Icky with tons of reactions, roasts and cheers SPECIMEN PACKS • Creepy Creatures: FREE. Bugs, worms, fish, and beasts with excellent gross credentials. • Creepy Dinosaurs: giant, feathered, and frankly disgusting lizards. • Creepy Tiny World: the microscopic monsters living on YOU. ...with more packs oozing their way to the lab soon. GROWN-UPS, READ THIS We built Slime or Bye to be a safe place for kids to learn and laugh: • No ads. No third-party tracking. No data collection. • No chat and no social features. • Optional pack purchases are one-time unlocks (no subscriptions) and sit behind a parent gate. Perfect for curious kids aged 7–12 who love animals, science, dinosaurs and all things gross. Ready to play? It's Slime or Bye!
Screenshots
Verdict
Terraforge and SLIME or BYE are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Terraforge sells 1 one-off in-app purchase and SLIME or BYE sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Terraforge ships an update weekly, SLIME or BYE every 4 days. Both last shipped on November 5, 2026.
| Parameter | Terraforge | SLIME or BYE |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (27 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 27 — better | — |
| Update frequency | Weekly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 16.4 — better |
| Further details — not scored | ||
| Size | 134 MB | 104 MB |
| Age rating | 4+ | 4+ |
| Developer | JOSE ANTONIO MARTINEZ FERNANDEZ | Alex Filip |
In-app purchases
Terraforge
- Master Forger$5.99
SLIME or BYE
- English (U.S.)2 variants$4.99
- English (U.S.)$12.99









