Space: Defender Xtreme1.5.5 - App Store

Defend the Earth from hordes of alien attackers!
Endless retro arcade space shooter. How long can you defend the Earth for?
No Ads and no in-app purchases - just simple honest 100% free gaming!

- Choose between various unique space craft - each with its advantages and disadvantages.
- Various alien enemy types, which get gradually more difficult.
- Switch between different weapon types.
- Boss levels which get significantly harder each time.
- Collect Shield, Weapon, and Health power-ups to help with the ever increasing might of the enemy.
- Explosions. Explosions. Explosions!
- Your shields and weapon battery recharges, but your health does not.
- Global stats and leaderboards!

Version History Game engine update 1.5.5 11/03/2025 Engine update.
Minor UI updates. 1.5.4 08/25/2024 Reduced difficulty of the Eliminator.

New touch screen controls added. Switch between Touch or Tilt!
New Boss - the mighty Eliminator.
New Player ship.
New enemies.
Leaderboard improvements. 1.5.1 10/24/2023 New touch screen controls added. Switch between Touch or Tilt!
New Boss - the mighty Eliminator.
New Player ship.
New enemies.
Leaderboard improvements. 1.5.0 10/22/2023 Minor UI update 1.4.3 08/31/2023 Fixed some minor issues with animations on bosses.
Some minor improvements to effects. 1.4.2 02/20/2023 The 4th anniversary update!
New player ship. New weapons. New special abilities. New enemies.
Balancing. Power-ups more powerful.
New boss, and boss waves are now in a random order.
Interface update. HUD update. Some weapon graphics updated.
Shields now have audio alert when down/up.
Full changelog on website. 1.4.1 11/06/2022 New player ship. Two new special abilities. New enemies.
Interface update. HUD update. Some weapon graphics updated.
Power-ups more powerful.
Shields now have audio alert when down/up.
Full changelog on website. 1.4.0 10/24/2022 New special ability: Wingman.
"Wasp" ship now unlocked at 250k score.
Immunity shield now lasts 20 seconds, up from 10.
Weapon boost ability now lasts 20 seconds, up from 10.
Player base shields increased slightly for Woolsthorpe and Stratosphere.
UI update. 1.3.01 05/08/2021 New special ability: Wingman.
"Wasp" ship now unlocked at 250k score.
Immunity shield now lasts 20 seconds, up from 10.
Weapon boost ability now lasts 20 seconds, up from 10.
Player base shields increased slightly for Woolsthorpe and Stratosphere.
UI update. 1.3.0 05/02/2021 To celebrate Xtreme's first birthday and over 1m kills:
1. New player ship, with new player weapons!
2. Enemy balancing
3. Leaderboards system improvements 1.2.1 10/13/2019 To celebrate Xtreme's first birthday and over 1m kills:
1. New player ship, with new player weapons!
2. Enemy balancing
3. Leaderboards system improvements 1.2.0 10/12/2019 1. Apollo 50th anniversary update: Defend the Moon throughout July and August!
2. New enemy heavy fighter Ace - intelligent and dangerous.
3. New special unique challenge ship for those who get past wave 20!
4. Balancing:
- Enemy "Destroyer" kill score increased
- Boss "Planetary Destroyer" has had its damage increased. 1.1.8 07/21/2019 1. Added one time use powerful Special Abilities.
2. New Boss added.
3. Meteoroids added: Use for cover or destroy for a reward.
4. Balancing:
- Very-heavy enemy Photon-Bomber fire rate and power reduced slightly.
- Very-heavy enemy ships now award 25% more points.
- Player Stratosphere Bomber health, shields, and fire-power improved significantly.
- Player Woolsthorpe Fighter shields increased by 10%. 1.1.7 03/06/2019 Minor User Interface tweaks. 1.1.6 01/28/2019 1. Leaderboard updates
2. Waves can no longer be accidentally ended quickly
3. Power-ups no longer spawn at the edge of the screen
4. Ships (player and enemy) now have a small buffer margin at edges of screen
5. Larger ships (excluding bosses) now explode... bigger
6. User experience tweaks including colour of last score in scoreboard, weapon icons instead of numbers, and weapon descriptions
7. Weapon score cost balancing 1.1.5 01/02/2019 1.1.4 12/09/2018