SwapTD
THE ENGINEERS Casual
Pop bubbles, build combos, and rule the board as Bubble King!
- Downloads
- 1.4K+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Sep 4
- 2026 · v10.0
Screenshots
About SwapTD
Bubble King is a polished mobile game built for quick sessions and longer challenge runs. Jump in anytime, enjoy responsive controls, and keep improving with every round.
HOW TO PLAY:
1. Aim and shoot bubbles to match colors and pop clusters.
2. Create chain pops for bigger scores and bonus rewards.
3. Clear the ceiling threat before bubbles reach the bottom.
4. Unlock stages and use shop items for clutch saves.
GAME HIGHLIGHTS:
- Classic bubble-shooter fun with modern polish
- Combo chains and stage progression
- Shop items and saved high scores
- Offline-friendly mobile controls
FEATURES:
- Engaging core gameplay loop
- Progression with coins, upgrades, or stages
- High scores and saved progress
- Settings for sound and preferences
- Optimized for phones and tablets
- Play offline without Wi-Fi
This is not a gambling game and does not have any means of winning any monetary rewards or prizes of monetary value in any manner whatsoever. Gambling is strictly prohibited.
HOW TO PLAY:
1. Aim and shoot bubbles to match colors and pop clusters.
2. Create chain pops for bigger scores and bonus rewards.
3. Clear the ceiling threat before bubbles reach the bottom.
4. Unlock stages and use shop items for clutch saves.
GAME HIGHLIGHTS:
- Classic bubble-shooter fun with modern polish
- Combo chains and stage progression
- Shop items and saved high scores
- Offline-friendly mobile controls
FEATURES:
- Engaging core gameplay loop
- Progression with coins, upgrades, or stages
- High scores and saved progress
- Settings for sound and preferences
- Optimized for phones and tablets
- Play offline without Wi-Fi
This is not a gambling game and does not have any means of winning any monetary rewards or prizes of monetary value in any manner whatsoever. Gambling is strictly prohibited.
Play today's Frostfire puzzle
Balance fire and ice: half of each in every row and column. A free daily puzzle from Fiplay, same board for everyone. It plays right here, no download.
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| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| SwapTD | – | Free | 1,000+ | Sep 4, 2026 | |
| Cardinal Chains | 4.9 / 5 | 2.99 USD | 5,000+ | Oct 4, 2025 | Compare |
| Merge Kingdoms - Tower Defense | 4.8 / 5 | Free | 500,000+ | Oct 21, 2026 | Compare |
| Nichols Stock Exchange | 4.8 / 5 | 1 USD | 100+ | Mar 8, 2026 | Compare |
| Bonanza Party - Slot Machines | 4.4 / 5 | Free | 100,000+ | Sep 9, 2026 | Compare |
| King Of Quiz: Trivia Game | – | 4.99 USD | 1+ | Feb 28, 2026 | Compare |
| TALENT VS AI 4.A.1 | – | 1.49 USD | 10+ | Apr 16, 2026 | Compare |
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