BCommon
Treadmill Level 1-5
Cost 50–500 coins. +2 Speed per level. Biome 1 unlock.
RoleSpeed training
TypeTreadmill
ObtainIn-game shop
Best ForFirst priority
Base Upgrades
The base in Steal An Egg has four upgradeable components: treadmill, hatching area, pet capacity, and defense. The treadmill is always first.
AUncommon
Treadmill Level 6-10
Cost 600–2,000 coins. +3 Speed per level. Desert biome unlock.
RoleMid-game training
TypeTreadmill
ObtainIn-game shop
Best ForSpeed 25-50
SRare
Treadmill Level 11-15
Cost 2,500–8,000 coins. +4 Speed per level. Snow biome unlock.
RoleLate-game training
TypeTreadmill
ObtainIn-game shop
Best ForSpeed 50-75
SLegendary
Treadmill Level 16-20
Cost 9,000–25,000 coins. +5 Speed per level. Storm Peaks unlock.
RoleEnd-game training
TypeTreadmill
ObtainIn-game shop
Best ForSpeed 100+
SMulti
Base Tier 1-5
Tier 1 = 1,000 coins for 1.5x. Tier 5 = 25,000 coins for 4x. +50 eggs storage per tier.
RolePassive income
TypeBase
ObtainBase upgrade NPC
Best ForPassive multiplier
ACommon
Defense Walls Lv 1-2
Wall Lv1 slows intruders by 20%. Wall Lv2 slows by 40%. Cheap deterrence.
RoleAnti-raid
TypeDefense
ObtainIn-game shop
Best ForSlowing intruders
BUncommon
Alarm System
Alerts you to intruders. Medium cost. Combine with walls for best defense.
RoleEarly warning
TypeDefense
ObtainIn-game shop
Best ForAnti-raid
SRare
Guard Turret
Damages intruders. High cost but the only active defense. Stacks with walls.
RoleAnti-raid
TypeDefense
ObtainIn-game shop
Best ForActive defense
Data Quality Notes
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Source fields
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Link base entries to matching builds, boss routes, and guide sections.
Update rhythm
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