Ototo Development Team

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Ototo Development Team is a feature introduced in version 6.0 update. The feature allows player to develop a new appearance for the Cat Base, cannon attacks and also further increase the cannon power.

Explanation

The feature is unlocked after clearing Empire of Cats chapter 1 and is only functional after player has reached level 10 of cat cannon power, range and recharge speed from base upgrades. To develop, Ototo requires some resource materials and workers to build.

The resource material can be obtained randomly when clearing non-limited Stories of Legend Levels. The resource type dropped usually has tendency with the stage cleared, eg: Zombie stages usually drop bone material. Red stages usually drop brick material.

The engineer(s) required can be obtained from Gamatoto Expedition randomly after clearing an expedition, one at a time with maximum of having five engineers.

Note when in progress of upgrading, you may still obtain engineers from Gamatoto expeditions.

Getting materials

Materials are scattered throughout Stories of Legend levels, upon clearing any stage, there is a chance to get materials. There are 7 type of materials: Bricks, Feathers, Coal, Sprockets, Gold, Meteorite, and Beast Bones, each associated with a certain enemy type (red, floating, black, metal, angel, alien, and zombie, respectively). The type of materials dropped is not affected by enemies in that level, for example, the feather can be received in levels that don't spawn any floating enemies at all. Materials won't drop in Event Stages (Red) and Collaboration Stages (Purple). No levels have limit of how many materials you can obtain or how many times they will drop, so the player could just grind one stage forever. Torture Room is an effective stage for this since it's so quick, and every material drops there except meteorite.

The drop rate is applied on all stages in a chapter. So it's always better/more beneficial/efficient to farm at a stage with the lowest energy cost. The star difficulty only affects on how much item you can farm per a stage clear.

• Star 1 gives maximum 3 items
• Star 2 gives maximum 4 items
• Stars 3 and 4 give maximum 5 items.

The item drop rate each chapter:

Chapter	None	Brick	Feather	Coals	Sprockets	Gold	Meteorite	Beast Bones
1: The Legend Begins	60%	13%	0%	13%	13%	0%	0%	0%
2: Passion Land	60%	15%	5%	10%	10%	0%	0%	0%
3: Glucosamine Desert	60%	27%	0%	9%	4%	0%	0%	0%
4: Swimming Cats	60%	27%	0%	10%	3%	0%	0%	0%
5: Risqué Terrain	60%	16%	16%	8%	0%	0%	0%	0%
6: Western Street	60%	25%	7%	4%	4%	0%	0%	0%
7: Sea of Tuna	60%	20%	3%	10%	7%	0%	0%	0%
8: Bamboo Island	60%	20%	0%	15%	5%	0%	0%	0%
9: Squishy Cave	60%	8%	10%	20%	3%	0%	0%	0%
10: Volkanos Volcano	58%	26%	11%	4%	0%	2%	0%	0%
11: Neverending Cat Story	58%	15%	5%	10%	10%	0%	2%	0%
12: Castle of Fish	58%	27%	0%	9%	4%	0%	0%	2%
13: Sushi Island	57%	25%	0%	13%	3%	2%	0%	0%
14: The Scratching Post	57%	20%	10%	10%	0%	0%	2%	0%
15: Parthenon	57%	14%	9%	14%	5%	0%	0%	2%
16: Low Tide Beach	57%	13%	8%	19%	0%	3%	0%	0%
17: Alcatraz	57%	13%	13%	13%	0%	0%	3%	0%
18: Jail Break Tunnel	56%	11%	11%	17%	3%	0%	0%	3%
19: Capone's Jail	56%	2%	2%	24%	5%	10%	1%	0%
20: Silk Road	55%	10%	10%	8%	4%	10%	0%	1%
21: Stairway To Darkness	55%	15%	12%	8%	1%	7%	1%	0%
22: Prince of Darkness	55%	10%	10%	15%	5%	5%	0%	1%
23: Dead End Night	55%	6%	10%	13%	4%	11%	1%	0%
24: Battle Royale	55%	15%	4%	8%	4%	13%	0%	1%
25: Scars of War	54%	9%	12%	7%	2%	5%	12%	0%
26: Sea Polluter	54%	12%	7%	4%	4%	11%	9%	0%
27: Body & Soul	53%	14%	9%	7%	0%	0%	17%	1%
28: Weak & Mildly Acidic	53%	5%	17%	10%	2%	6%	6%	0%
29: Intrepid Cats	52%	7%	15%	9%	2%	4%	11%	0%
30: Shadow Cosmopolis	52%	9%	14%	7%	0%	13%	4%	1%
31: Galapa-Goth	51%	10%	6%	18%	4%	4%	8%	0%
32: Kombu Cape	51%	8%	19%	8%	3%	5%	5%	0%
33: Axis of Evil	50%	12%	12%	12%	0%	8%	8%	0%
34: Suburbs of the Dead	50%	6%	6%	6%	0%	4%	0%	27%
35: Quarantine Isles	49%	9%	5%	5%	14%	0%	0%	19%
36: Mouseyland	49%	4%	4%	7%	0%	4%	4%	27%
37: Walk of Fame	49%	5%	3%	5%	3%	3%	0%	32%
38: Cutpurse Coast	48%	15%	6%	6%	0%	3%	18%	3%
39: Above and Below	48%	17%	0%	15%	12%	5%	2%	0%

Getting workers

Engineers can be obtained from Gamatoto expeditions. Player will be notified if obtaining one. Can be obtained at the same time as an expedition assistant for Gamatoto. Retiring an expedition assistant also gives the option to change them to an engineer.

The engineer will be spent on base upgrade, and players can have up to 5 at once. Once reached, no extra engineers can be obtained. Advanced base upgrades can require up to 3 engineers.

Upgrading tutorial

Image required: UI, explanation, tutorial.

Base Enhancements

Step	Material							Engineer	Time (hours)	Health	Cannon DMG
Level 2	4	4	4	0	0	0	0	1	12	124000	6200
Level 3	3	3	3	3	0	0	0	1	12	128000	6400
Level 4	6	6	6	0	0	0	0	1	12	132000	6600
Level 5	6	4	4	4	0	0	0	2	12	136000	6800
Level 6	6	6	6	0	6	0	0	2	12	140000	7000
Level 7	0	6	6	6	0	6	0	2	12	144000	7200
Level 8	9	0	7	0	7	0	0	3	12	148000	7400
Level 9	0	9	0	7	7	7	7	3	12	152000	7600
Level 10	0	0	0	9	9	9	9	3	12	156000	7800
Total	34	38	36	29	29	22	16	18

Slow Beam

Step	Material							Engineer	Time (hours)	Slow Duration	Cannon DMG
Foundation	5	3	4	0	0	0	0	1	12	124000	6200
Style	7	4	5	2	0	0	0	1	12
Cannon	9	5	7	3	0	0	0	2	24
Level 2	5	3	4	0	0	0	0	1	12
Level 3								1	12
Level 4	6	5	5	2	0	0	0	1	12
Level 5	0	6	5	5	2	0	0	2	12
Level 6	6	7	7	0	4	0	0	2	12
Level 7	7	5	6	0	6	0	0	2	12
Level 8
Level 9
Level 10

Iron Wall

Step	Material							Engineer	Time (hours)	Wall Health	Wall Duration DMG
Foundation	3	0	4	2	0	0	0	1	12	124000	6200
Style	4	5	2	7	0	0	0	1	12
Cannon	6	0	6	9	3	0	0	2	24
Level 2	3	0	4	5	0	0	0	1	12
Level 3	0	2	5	5	0	0	0	1	12
Level 4
Level 5
Level 6
Level 7	0	6	5	7	0	0	6	2	12
Level 8	0	4	0	9	8	9	0	3	12
Level 9	6			9	7	8		3	12
Level 10		7		11	8		10	3	12

Lightning Bolt

Step	Material							Engineer	Time (hours)	Stop Duration	Cannon DMG
Foundation	0	4	4	4	0	0	0	1	12	124000	6200
Style	4	6	4	4	0	0	0	1	12
Cannon	9	0	9	0	0	3	3	2	24
Level 2					0	0	0		12
Level 3		4		0	0	0	0		12
Level 4		4		0	0	0	0	2	12
Level 5	5	3	6	0	4	0	0	2	12
Level 6	0	6	0	0	7	6	5	2
Level 7	7	0	5	0	8	4	0	2
Level 8	0	9	0	6	8	0	7	3
Level 9	0	0	7	0	6	8	9	3
Level 10	6				10	9	11	3	12

Warning: cancelling progress will not return engineers or materials used. Progress can speed up using same power-ups with Gamatoto expedition.

Available base types

To add: Cost of upgrades and effect. Info obtained from Reddit.

• Normal base
• Slow Beam
• Iron Wall
• Thunder Cannon

Attacks by firing a laser beam into the ground which after a slight delay explodes into shockwaves. Enemies in range will be knocked back and take heavy damage.

Upgrades increase cannon power in addition from base upgrade.

Attacks by firing a green laser beam. Enemies hit will be immediately slowed for moderate duration the moment the laser passed. Deals no damage to enemies.

Upgrades increase slow duration.

Spawns a shield which stops enemy movement by 100 range in front of closest enemy unit (minimum of about 150 from enemy base). The shield is removed after its duration expires or its health is depleted. Shield does not block enemy area or shockwave attack, has metal property, cannot move or attack, and is immune to knockback and slow / stop.

Upgrades increase shield health and duration.

Attacks using thunder strike for 450 area ^{verification?} in front of most front player units. The thunder strikes after slight delay and enemies struck will be damaged and stopped for short duration.

Upgrades increase stop duration and damage.

Tips

• The base body and decoration does not have any effect. Only the head cannon changes cannon strikes.
• The shield created by Iron Wall cat cannon counts as a cat unit; you can't spawn the shield if you have reached max cat limit.

Gallery

official animation

Reference

• https://www.reddit.com/r/battlecats/comments/6ag0gr/guide_levels_cat_base_materials_the_most/