Solar System

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Font TeamMeat S.pngFont TeamMeat o.pngFont TeamMeat l.pngFont TeamMeat a.pngFont TeamMeat r.png   Font TeamMeat S.pngFont TeamMeat y.pngFont TeamMeat s.pngFont TeamMeat t.pngFont TeamMeat e.pngFont TeamMeat m.png
IsaacIsaac
Full red heartFull red heartFull red heart
Blindfolded.png Blindfolded
Table dividing line 1.png
 
 
Distant Admiration Distant AdmirationDistant Admiration Rebirth Icon.pngA red attack fly circles further out than the Halo of Flies / Pretty Flies, but closer than Forever Alone. Deals more damage than Forever Alone.
Forever Alone Forever AloneForever Alone Rebirth Icon.pngSpawns a blue attack fly that orbits a long distance from Isaac.
Halo of Flies Halo of FliesHalo of Flies Icon.pngSpawns two pretty fly familiars that block enemy shots and deal contact damage to enemies.
Transcendence TranscendenceTranscendence Icon.pngGrants flight.
 
Item Pool Treasure Room.png: no          Item Pool Shop.png: yes
Boss Mom's Heart.png / Boss It Lives.png
Rune of Perthro Rune of PerthroRune of PerthroComplete challenge #6
 
Solar System Defeat Mom's Heart 3 timesSolar SystemSolar System

Solar System is challenge #6. Isaac starts this challenge with Distant Admiration Distant AdmirationDistant Admiration Rebirth Icon.pngA red attack fly circles further out than the Halo of Flies / Pretty Flies, but closer than Forever Alone. Deals more damage than Forever Alone., Forever Alone Forever AloneForever Alone Rebirth Icon.pngSpawns a blue attack fly that orbits a long distance from Isaac., Halo of Flies Halo of FliesHalo of Flies Icon.pngSpawns two pretty fly familiars that block enemy shots and deal contact damage to enemies., and Transcendence TranscendenceTranscendence Icon.pngGrants flight.. Isaac will also be Blindfolded. The goal is to defeat Mom's Heart. This Challenge is available after unlocking Transcendence.

Difficulty[edit | edit source]

  • As Isaac is Blindfolded, Isaac cannot use tears, and must rely entirely on Distant Admiration, Forever Alone, and bombs to deal damage.

Strategy[edit | edit source]

  • Because Isaac starts with 3 Fly items, he will also begin the challenge as Beelzebub. This allows Isaac to amass a large quantity of friendly flies on the Basement floors.
  • The orbiting attack flies can be quite powerful, especially Distant Admiration, when used properly. This will require optimization of Isaac's movement to maneuver into position to deal damage, as the flies are constantly moving, and avoid damage simultaneously.
    • Duct Tape can fix the position of the flies around Isaac, somewhat alleviating this.
  • Enemies that explode on death should only be targeted with Forever Alone, as destroying them with Distant Admiration will result in Isaac getting caught in their explosions.
  • Shops can carry BFFS! BFFS!BFFS! Icon.pngIncreases the size and damage of familiars. and Hive Mind Hive MindHive Mind Icon.pngIncreases the size of blue spiders and blue flies and doubles the amount of damage they deal., the former of which affects the damage of the orbiting attack flies and the latter of which affects the damage of the blue flies spawned from Beelzebub.
  • Broken Watch Broken WatchBroken Watch Icon.pngChance upon entering a room to slow down or speed up every enemy and their attacks. The chance to slow enemies is quite higher than the chance to speed them up. and Stop Watch Stop WatchStop Watch Icon.pngRemoved in Afterbirth Automatically inflicts slow to all enemies in every room.
    Added in  Afterbirth Upon taking damage, inflicts slow to all enemies for the current room.
    are good items to buy since they slow enemies down.
  • Obtaining Gnawed Leaf Gnawed LeafGnawed Leaf Icon.pngAfter standing still and not shooting for a short time, Isaac turns invincible until he moves or shoots. makes the challenge trivial as Isaac's orbiting flies still deal damage while Isaac is invulnerable. Obtaining it is highly unlikely, however, since there are no Treasure Rooms present.
  • Obtaining Ball of Bandages Ball of BandagesBall of Bandages Icon.pngOrbiting familiar that deals damage to enemies. If collected while already having one, makes the familiar evolve. Only drops from Horsemen. Similar to Cube of Meat. or Cube of Meat Cube of MeatCube of Meat Icon.pngOrbiting familiar that blocks enemy shots and deals damage to enemies. If collected while already having one, makes the familiar evolve. Only drops from Horsemen. Similar to Ball of Bandages. grants a full circle of projectile-blocking orbitals around Isaac.
  • Removed in Afterbirth It is absolutely not advised to reshuffle Isaac's items. As this will not remove Isaac's Blindfolded status, it is possible to reroll items in such a way that the run can no longer be completed.
  • Obtaining the Rune of Algiz, Chaos Card Chaos CardChaos Card Icon.pngThrows the card to kill anything in its path. Opens normal doors. or The Bible The BibleThe Bible Icon.png6 roomsUpon activation, Isaac gains flight, allowing him to pass over all obstacles in the current room. Instantly kills Mom, Mom's Heart, and It Lives when activated, but will kill Isaac when activated while fighting Satan. can make killing Mom and Mom's Heart/It Lives! much easier.
  • Devil Room deals such as Brimstone BrimstoneBrimstone Rebirth Icon.pngTears are replaced by a laser beam that pierces through all enemies and obstacles in its path and deals high damage. Can only be fired after a short charge-up period., Added in  AfterbirthMaw of the Void Maw of the VoidMaw of the Void Icon.png+1.0 Damage Up. After continuously firing tears for 2.5 seconds, a red cross appears on Isaac's head that, upon releasing the fire button, creates a black ring that rapidly deals damage equal to Isaac's tear damage to any enemies in contact with it., and Mom's Knife Mom's KnifeMom's Knife Rebirth Icon.pngIsaac's tears are replaced by a knife that pierces enemies, can travel through obstacles, and can hurt enemies while Isaac is holding it. Holding down the fire button before firing increases its range and power. will be ineffective, because of the Blindfolded status.
  • The Boomerang The BoomerangThe Boomerang Rebirth Icon.png4 secondsThrows a short-range boomerang which does a bit of damage and has a high chance to stun the enemy for 2 seconds. Can also be used to grab pickups. is a useful purchase from the shop as it has a chance to freeze enemies, allowing Isaac to safely use the attack flies against them for the duration of the freeze.
  • Transcendence and other flight items are useless in this challenge, because the Beelzebub transformation grants flight by default.
  • Obtaining Bob's Brain Bob's BrainBob's Brain Icon.pngSpawns a familiar that charges forward when shooting tears and explodes upon contact with an enemy, damaging and poisoning them. The familiar respawns after a few seconds. can be handy for defeating bosses, due to its damage and poison effect. It can also be used to break poop or golden poop to gain health, coins or bombs.
  • Added in Afterbirth †Extension Cord Extension CordExtension Cord Icon.pngBeams of yellow electricity flow between Isaac and his familiars, damaging any enemies between them. electrifies the orbiting flies, dealing extra damage and destroys fireplaces and poops.
  • Added in  AfterbirthBlack Powder Black PowderBlack Powder Icon.pngIsaac leaves a trail of black powder on the floor. Walking in a circle will spawn a pentagram symbol on the floor, which deals 10 damage per tick to any enemies inside it. is helpful for damaging non-flying enemies and bosses.
  • Added in  AfterbirthIncubus IncubusIncubus Icon.pngA demonic familiar that follows Isaac and shoots tears identical to Isaac's in terms of damage, range, fire rate, and effects. acts as a replacement for Isaac's tears, thus indirectly removing Isaac's Blindfolded status.

Unlockable Achievements[edit | edit source]

Trivia[edit | edit source]

  • The challenge is a reference to the Solar System; Isaac represents the sun and the flies represent planets.


MainPageChallenges.png Challenges MainPageChallenges.png

Rebirth
1. Pitch Black 2. High Brow 3. Head Trauma 4. Darkness Falls 5. The Tank 6. Solar System 7. Suicide King 8. Cat Got Your Tongue
9. Demo Man 10. Cursed! 11. Glass Cannon 12. When Life Gives You Lemons 13. Beans! 14. It's in the Cards 15. Slow Roll 16. Computer Savvy
17. Waka Waka 18. The Host 19. The Family Man 20. Purist
Afterbirth
21. XXXXXXXXL 22. SPEED! 23. Blue Bomber 24. PAY TO PLAY 25. Have a Heart 26. I RULE! 27. BRAINS! 28. PRIDE DAY!
29. Onan's Streak 30. The Guardian
Afterbirth †
31. Backasswards 32. Aprils Fool 33. Pokey Mans 34. Ultra Hard 35. Pong
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