Compare: Space Defense Alpha vs Space Defender Xtreme
| Stats |   Space Defense Alpha |  Space Defender Xtreme |
|---|---|---|
| User count | 1,825 | 40,408 |
| Average rating | 0.00 | 3.94 |
| Rating count | 0 | 170 |
| Last updated | 2026-05-05 | 2025-11-02 |
| Size | 2.31MB | 29.27MB |
| Version | 3.0 | 1.5.5 |
| Short description | |
|---|---|
| Blast alien waves and chase the high score. Ad Free! No in app purchases! | Retro 2D space shooter. Endless action - how long will you survive? |
| Full summary | |
- | - |
Popular Extensions / Apps
Here are some popular extensions / apps that you might be interested in:
Auto Refresh Plus | Page Monitor
https://autorefresh.io
1000K 4.87 
(21,702) 
Perplexity - Ask Anything
PerplexityAI
123M 4.58 (1,980,562) 
NetShort - Popular Dramas & TV
NETSTORY PTE. LTD.
108M 4.59 (1,198,128) 
Quillbot: AI Writing Assistant to Grammar Check, Paraphrase & Translate
https://quillbot.com/
5M 4.70 (5,369) 
Checker Plus for Gmail™
https://jasonsavard.com
1000K 4.65 (12,689) 
Shopee Indonesia
Shopee Indonesia
412M 4.72 (18,355,524) 
CREX - Just Cricket
CREX
101M 4.49 (555,445)
AdBlocker Ultimate
AdAvoid Ltd
879K 4.70 (3,393) 
Boxel 3D
https://dopplercreative.com/
500K 4.58 (1,849) 
Akulaku —Online Shopping
PT. Akulaku Silvrr Indonesia
108M 4.56 (3,444,204) 
Browsec VPN - Free VPN for Chrome
https://browsec.com
8M 4.45 (39,300)
Ghostery – Privacy Ad Blocker
Ghostery
1M 4.42 (5,587)