| Operation | Story |
| IC-4 The Great Aquapit |
Ideal City: Underground Sightseeing Previous IC-3 Next IC-5
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| Just as it is above ground, disappearance often means a permanent parting in Zeruertza. The difference is that the Durin believe that something better awaits in the future. <Self-Driving Cart Launchpoint> Spend DP to activate and launch a Self-Driving Cart <Self-Driving Cart One-Way Road> Causes Self-Driving Carts to turn when they pass over it | |
| Recommended level | Elite 1 Level 30 | ||
|---|---|---|---|
| Sanity | Drill Plan | EXP | LMD |
| 12 | 1 | 120 (144) | 120 (144) |
| Unit Limit | Initial DP | Life Points | Enemies |
| 8 | 10 | 3 | 26 |
| Deployable devices | Self-Driving Cart One-Way Road ×4 | ||
| Static devices | Self-Driving Cart Launchpoint ×1 | ||
| First clear | Regular |
|---|---|
3 Stars  3 Stars  40 | Guaranteed 12 Guaranteed  Rare  |
| Normal | Alcohol Lover ×11, Lakeside Volunteer ×7, Sandcastle Builder ×5, Volleyball Serving Cart ×3 |
|---|
| Recommended level | Elite 1 Level 30 | ||
|---|---|---|---|
| Sanity | Drill Plan | EXP | LMD |
| 12 | 1 | 120 (144) | 120 (144) |
| Unit Limit | Initial DP | Life Points | Enemies |
| 8 | 10 | 3 | 26 |
| Deployable devices | Self-Driving Cart One-Way Road ×4 | ||
| Static devices | Self-Driving Cart Launchpoint ×1 | ||
| First clear | Regular |
|---|---|
3 Stars | Guaranteed  |
| Extra | |
       | |
| Normal | Alcohol Lover ×11, Lakeside Volunteer ×7, Sandcastle Builder ×5, Volleyball Serving Cart ×3 |
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