Smoosh Lab vs Underdark
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Smoosh Lab
Engage in a challenging puzzle game where you can create and share your own levels. Master a variety of puzzles, customize your experience, and compete with friends in an ever-expanding world of creative challenges.
- Master 100 challenging puzzles
- Create unlimited levels
- Share creations with friends
- Solve endless community puzzles
- Play at your own pace
- Customize Blop shapes and lab themes
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“My name is Lazlo, and I’m in charge here. This is MY game. MY laboratory. MY world. Why are you even looking at this? You can't beat me. I'm better than you. There's no way you can solve my puzzles... No way! Even if you do manage to squeak your way through, I’ve had my minions create infinitely more levels in the community labs. Wait... Aren't you one of my minions? What are you doing here!?!?! Download the game and get to work! I need you to create levels and outwit the world.” Sorry about that, sometimes Lazlo can get a bit out of hand. Smoosh LAB is the sequel to the original puzzler that knocked everyone’s socks right back on. Now with the potential for unlimited creativity in our level editor, you can challenge your puny brained friends to see who’s got what it takes. Level-up to customize Blop shapes and patterns, change your lab theme, and unlock more options in the level editor. --- WHY YOU’LL LOVE SMOOSH LAB --- • MASTER 100 increasingly challenging puzzles. • CREATE unlimited levels to outwit the world. • SHARE your creations with friends. • SOLVE endless puzzles in the community lab. • PLAY at your own pace without the stress of a clock. • BEAT every puzzle to become the ultimate minion!
Underdark
Defend the Eternal Flame from relentless dark forces in this tactical tower defense game. Strategically place towers, choose powerful buffs, and level up unique heroes to forge an impenetrable defense. Enjoy one-handed gameplay for strategic fun anytime, anywhere.
- Defend the Eternal Flame
- One-handed gameplay
- Customize defense strategy
- Level up heroes
- Strategic tower placement
- Choose buffs
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Defend the Flame from the dark! Level up, strategically place towers, and choose buffs to grow stronger. Keep the light alive! Defend the Eternal Flame: Experience the thrill of defending the flame from hordes of dark forces that besiege it! Feel the exhilaration as you clear stages, with each victory more satisfying than the last. One-Handed Gameplay: Enjoy easy-to-master controls, designed for one-handed play. Perfect for strategic fun anytime, anywhere. Customize Your Defense Strategy: Select buffs and strategically place towers to forge your path of resistance. As you level up and choose your growth buffs, your defense becomes an impenetrable fortress. Heroic Stand: Choose your guardians to stand against the night. Each hero brings unique abilities to the battlefield. Earn trophies, level up, and enhance your heroes to ensure the flame flickers on through the darkest nights!
Screenshots
Verdict
The clearest difference is update cadence: Underdark at every 4 days against Smoosh Lab's every 2 months. Underdark also leads on ratings volume (4.1K vs 34) and review sentiment (72% vs 60%). On price, rating, ads and in-app purchases 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
Both are free to download. Smoosh Lab sells 5 one-off in-app purchases and Underdark 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 — 4.6 for Smoosh Lab against 4.8 for Underdark. That said, the two scores are not equally well evidenced: Underdark has 4.1K ratings behind it against 34, so its average is the more settled of the two. Written reviews are what separate them: 60% of Smoosh Lab's written reviews are positive against 72% of Underdark's.
Smoosh Lab ships an update every 2 months, Underdark every 4 days. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.
| Parameter | Smoosh Lab | Underdark |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (34 ratings) | 4.8 (4.1K ratings) — better |
| Positive reviews | 60.0% of reviews | 72.0% of reviews — better |
| Number of ratings | 34 | 4.1K — better |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 181 MB | 520 MB |
| Age rating | 12+ | 4+ |
| Developer | Curious Labs | SeungHo Chung |
Customer experience
Smoosh Lab
Underdark
Bugs and requests
Smoosh Lab
Not enough reviews yet to summarise bugs or requests.
Underdark
Reported bugs
3 issues- Goblin tower factory causing game slowdown
- Consecutive login rewards reset after updates
- Invisible towers in multiplayer
Requested features
5 requests- Ability to rotate towers
- Move towers after placement
- More enemy variety and animations
- Improved co-op mode
- Simplified progression system
In-app purchases
Smoosh Lab
- Purchase 2,500 Drops$0.99
- Remove Ads$0.99
- Purchase 9,000 Drops$1.99
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- Purchase 20,000 Drops$2.99
- Purchase 35,000 Drops$3.99
Underdark
- daily_package_01$0.99
- blade_pakcage$2.99
- daily_package_02$2.99
Show 7 moreShow fewer
- exp_2x$3.49
- Event Package 2$3.99
- add_speed$7.49
- season_superpass_1$7.99
- pack_remove_ads$7.99
- pack_remove_ads2$10.99
- season_hyperpass_1$18.99
