Underdark vs JIGGLEBELL Jigsaw
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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 growth 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!
JIGGLEBELL Jigsaw
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한 조각 앞서 가세요! JIGGLEBELL Jigsaw는 알록달록한 그림과 귀여운 동물 친구들이 가득한 직소 퍼즐 게임이에요. ■ 혼자 도전 그림을 하나씩 골라 내 속도로 맞춰 보세요. 완성한 그림은 앨범에서 다시 볼 수 있어요. ■ 1:1 퍼즐 대결 다른 플레이어와 같은 그림, 같은 조각 배치로 누가 먼저 완성하는지 겨뤄요. ■ 친구와 1:1 색·나라·동물로 친구를 찾아 친구 요청을 보내고, 수락한 친구를 대결에 초대하세요. ■ 나만의 동물 아바타 이름과 국기가 있는 귀여운 동물로 플레이하고 기록과 순위를 확인하세요. ■ 사탕과 도움 아이템 대결에서 사탕을 모아 사탕 상점에서 도움 아이템으로 바꿀 수 있어요. ■ 세로 화면으로 간편하게 움직이는 벨트에서 조각을 집어 그림에 끌어다 놓기만 하면 돼요. ■ 광고 제거 인앱 구매 '광고 제거'로 대결 후 자동으로 나오는 광고를 영구히 없앨 수 있어요. 하트를 받는 선택형 보상 광고는 원할 때만 볼 수 있어요.
Screenshots
Verdict
The clearest difference is update cadence: Underdark at every 4 days against JIGGLEBELL Jigsaw's every 2 weeks. On price, ads, in-app purchases 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
Both are free to download. Underdark sells 10 one-off in-app purchases and JIGGLEBELL Jigsaw sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Underdark ships an update every 4 days, JIGGLEBELL Jigsaw every 2 weeks. The most recent releases landed on November 12, 2026 and October 31, 2026 respectively.
| Parameter | Underdark | JIGGLEBELL Jigsaw |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4.1K ratings) — better | — |
| Positive reviews | 72.1% of reviews | — |
| Number of ratings | 4.1K — better | — |
| Update frequency | Every 4 days — better | Every 2 weeks |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 521 MB | 222 MB |
| Age rating | 4+ | 4+ |
| Developer | SeungHo Chung | TENMILES |
Bugs and 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
JIGGLEBELL Jigsaw
Not enough reviews yet to summarise bugs or requests.
In-app purchases
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
JIGGLEBELL Jigsaw
- 광고 제거$4.99







