Chemo Compounds is a collection comprised of compound residues of ten Chemoids that have "evolved" from Chemo. These compounds can only be obtained by players with the Home Turf episode from collection nodes found around Ace Chemicals.
Collectibles[]
"The entity known as Chemo has spawned countless offspring. This residue is left over from each of the different types."
| 1: | Cryo Chemoid Residue | 
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| 2: | Pyro Chemoid Residue |
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| 3: | Shock Chemoid Residue |
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| 4: | Toxic Chemoid Residue |
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| 5: | Volatile Chemoid Residue |
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| 6: | Radioactive Chemoid Residue |
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| 7: | Psychoactive Chemoid Residue |
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| 8: | Acidic Chemoid Residue |
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| 9: | Inert Chemoid Residue |
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| 10: | Unstable Chemoid Residue |
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Reward[]
Mail Messages[]
Upon completion of this collection players receive a message from The Question or The Riddler, accessible from any Mail Terminal.
Heroes:
 From: The Question
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Subject: Sample Interest |
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| "You did Gotham City a favor by scraping up all of that Chemoid residue. I'm hoping these sanples might reveal the truth behind the Chemo incident and other injustices." | |
| Attachment: Dirt and Shovel | |
Villains:
| From: The Riddler
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Subject: Sample Interest |
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| "Uck, did you really have to collect these disgusting Chemoid samples? They're not even properly stored! If I don't find an interested party in these soon, I might just send them back!" | |
| Attachment: Dirt and Shovel | |
Item[]
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This collection rewards the player with the Dirt and Shovel item.
Gallery[]
