How to win on compact 5 on 5ds stardust accelerator 2009?

Answer 1

Quoting directly from Nekofjung's Gamefaqs's guide:

Compact Duel #1:
1. Activate Pot of Generosity selecting Blind Sucker and Unknown Crusher.
2. Activate Big Bang Shot (you can pick any monster), then use Naturia Beast's
effect to negate and destroy it.
3. Summon Nuvia the Wicked (it explodes itself).
4. Activate Dark Hunter's effect and destroy the 3 face-down Marshmallons.
5. Attack with Beast and Beetle (2200 + 1800 = 4000 = game).
Reward: 100 DP

Compact Duel #2:
1. Activate Terraforming to retrieve Magical Citadel.
2. Activate Magical Citadel.
3. Activate Solemn Wishes.
4. Activate Upstart Goblin.
5. Activate Gather Your Mind (Tower of Babel explodes and brings you down to
100 LP)
6. Special Summon Endymion.
7. Select Upstart Goblin.
8. Activate Upstart Goblin.
9. Activate Smashing Ground.
10. Activate Endymion's effect discarding Gather Your Mind to destroy Gravity
Bind.
11. Attack with Endymion (2700 = game).
Reward: 200 DP

Compact Duel #3:
1. Activate Raigeki Break discarding Speed Warrior to destroy Burden of the
Mighty.
2. Summon Junk Synchron and activate his effect toSpecial Summon Speed Warrior.
3. Special Summon Quillbolt Hedgehog.
4. Special Summon Turbo Booster.
5. Synchro Summon Colossal Fighter.
6. Activate Final Attack Orders.
7. Activate Skill Dragon.
8. Attack each XYZ-Dragon Cannon monster with Colossal, reviving him every
time he gets destroyed.
9. Use Mystical Space Typhoon to destroy Skill Drain after all opponent's
monsters have been destroyed (increases Colossal's ATK).
10. Attack with Colossal (3000 = game).

Compact Duel #4:
1. Activate Destructotron to destroy the opponent's Mirror Force.
2. Activate Telekenetic Power Well and Special Summon Mind Master and Krebons.
3. Summon Psychic Snail and use his effect on Destructotron.
4. Activate Mind Master's effect, tributing Psychic Snail and summoning Power
Injector.
5. Activate Mind Master's effect, tributing Krebons and summoning Psychic
Commander.
6. Activate Power Injector's effect.
7. Activate Psychic Sword and equip it to Destructotron.
8. Attack Spirit Reaper with Mind Master and pay any amount of LP with Psychic
Commander's effect so that Spirit Reaper will be targeted (and thus he
destroys himself).
9. Attack with your remaining monsters (1900 + 4100x2 + 1800 = 11,900 = game).

Compact Duel #5:
1. Activate Dark Core discarding Dandylion to destroy the Queen of Thorns that
is in attack position.
2. Activate Assault Mercenary's effect to destroy the opponent's Bottomless
Trap Hole.
3. Activate Assault Beast's effect.
4. Synchro Summon for Stardust Dragon with Arcane Apprentice, the 2 Dandylion
tokens, and Assault Mercenary.
5. Activate Arcane Apprentice's effect to retrieve another Assault Mode
Activate.
6. Activate Copy Plant's effect copying the level of either Queen of Thorns.
7. Summon Night Wing Sorceress.
8. Special Summon Quillbolt Hedgehog.
9. Synchro Summon for Red Dragon Archfiend with Copy Plant and Quillbolt
Hedgehog.
10. Set both Assault Mode Activate.
11. Attack either Queen of Thorns with Red Dragon Archfiend and his effect
will clear the field.
12. Attack with Night Wing Sorceress and Stardust Dragon (1300 + 2500 = 3800,
so 9500 LP left to go).
13. Activate Assault Mode Activate and tribute Stardust Dragon to Special
Summon Stardust Dragon/Assault Mode.
14. Attack with Stardust Dragon/Assault Mode (3000, so 6500 LP left).
15. Activate Assault Mode Activate and tribute Red Dragon Archfiend to Special
Summon Red Dragon Archfiend/Assault Mode.
16. Attack with Red Dragon Archfiend/Assault Mode, and when his effect
activates, negate it with Stardust Dragon/Assault Mode's effect, then Special
Summon Red Dragon Archfiend (3500, so 3000 LP left).
17. Attack with Red Dragon Archfiend (3000 = game).