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The following are strategies for the Bacteria plague type. Please read the Wiki Rules, before adding a strategy, tips and Q&A here. If you aren't quick enough to devolve a mutation before it's spotted, then pause the game time, then devolve the mutation.
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Strategy 1

Starting Off

(For normal/brutal difficulties; works on casual as well)

Start in West Africa. Do not buy anything until you have acquired over 51 DNA Points.

Once you have accumulated over 51 DNA points, buy the following Transmissions and Abilities in order:

  1. Water 1 (9 DNA)
  2. Bird 1 (13 DNA)
  3. Air 1 (11 DNA)
  4. Drug Resistance 1 (11 DNA)
  5. Bacterial Resilience 1 (7 DNA)

For a total of 51 DNA Points.

As your Bacteria starts to spread, devolve any mutations you receive.

If you get a message that says a place has added more security,  such as 'USA bans movement of livestock,' upgrade the corresponding upgrade in transmissions (in this case, livestock). Such instances, however, shouldn't occur if you follow this strategy—as long as you don't get the disease spotted. But if a random event happens like a rural livestock legislation, disregard that last sentence and be ready for an American livestock stasis.

Mid game - Infect the rich and protect yourself

Upgrade the following to infect more people:

For a total of 62 (Without Genetic ReShuffle 1) or 86 (With Genetic ReShuffle 1) DNA points

End game - killing time

Use this path to quickly achieve Total Organ Failure (Accumulate 47 DNA points to get all of them quickly and no risk of failure):

  1. Coughing (4 DNA)
  2. Pneumonia (4 DNA)
  3. Pulmonary Fibrosis (8 DNA)
  4. Total Organ Failure (31 DNA)
For a total of 47 DNA points.

Strategy 2

You get the most infection for your DNA from the symptom Coughing. Having only Coughing will not lead to the disease being discovered as long as you devolve any other mutated symptom, and the mystery plague event doesn't happen.

1. Start in India

2. Get Coughing

3. Get Water 1 and 2

4. Get Air 1 and 2

5. Get Bacterial Resilience 1 and 2

6. Get Drug Resistance 1 and Cold Resistance 1

7. Improve resistances further, if for example Iceland or Canada is especially slow to infect, and you have a lot of DNA. Otherwise be patient and save the points for the kill strike and slowing research.

8. When all are infected, get killing symptoms. The strategist used the same tree as in the commented guide.

9. Immediately buy both abilities slowing future research. If you have points left now, invest more in lethal symptoms like Hemorrhagic Shock to kill faster.

10. At the end, buy all abilities increasing the amount of research needed, as well as the symptoms Coma and Paralysis. This will decrease the percent research completeted, and give you more points for the win. If you still have points left, invest in symptoms with maximum severity and infectivity as this may give some more points.

The key is fast and unnoticed transmission, followed by swift kill and decreased researched speed, and in the end lowering the percentage of the completed research.

Get higher score by winning faster with less cure research completed, and as severe disease as possible.

Strategy 3

For MEGA BRUTAL

Genes

ATP Boost

Genetic Mimic

Aquacyte

Extremophile

Sympto-Stasis

1. Start in China Note: Evolve the upgrades AS SOON AS POSSIBLE!

2. Evolve the following IN ORDER! (Devolve any irrelevant symptoms) Water 1

Insect 1

Nausea

Coughing

Rash

Cysts

Anaemia

Vomiting

Pneumonia

Sneezing

Sweating

Hyper sensitivity

Abscesses

Haemophilia

(This should be every stage 1 + 2 symptoms)

3. Now evolve IN ORDER Water 2

Insect 2

Bacterial Resilience 1

Bacterial Resilience 2

Bacterial Resilience 3

Drug Resistance 1

Drug Resistance 2

Goodbye Canada!

4. Now for some infective symptoms! Skin Lesions

Diarrhoea

Dysentery

Necrosis - Optional

5. Stop the cure!

Genetic Hardening 1

Insomnia

Paranoia

Insanity

Note 1: If an island closes ports before you infect it, restart

Note 2: If cure goes >90%, get Genetic ReShuffle 1

6. Wait for world to get infected

Note: If country closes land borders before infected get Bird 1

7. Evolve killing symptoms and cure slowing symptoms

Total Organ Failure

Collect DNA from killing people

Coma - To slow the cure

Hemorrhagic Shock

Get more genetic reshuffles if the cure is too high and try some more symptoms if you're too impatient!

Internal Haemorrhaging

Systemic Infection

Immune Suppression

8. Watch as the world is quickly ummm... plague-ed to death?

Strategy 4

This is a simple strategy which will work on Casual, Normal or Brutal (This doesn't work on Mega Brutal because the 'random medical check-ups' make the disease noticed and a cure is available before everyone is infected.

Genes

DNA Gene: ATP Boost or Metabolic Jump

Travel Gene: Aquacyte or Suppression

Evolution Gene: Ionised Helix

Mutation Gene: Genetic Mimic

Environment Gene: Extremophile... or anything really

Stage 1: Begin

Step 1. Start anywhere... the best places are India, Saudi Arabia, Greenland, Egypt, Madagascar or even Norway!

Step 2. Fastforward

TIP: If any symptoms evolve DEVOVLE THEM IMMEDIATELY!!! Doctors will spot the disease and the cure research will begin. In the future the cure research will be too much!

Stage 2: Infection

Step 3. Evolve Bacterial Resilience 1

Step 4. Evolve Air 1 and Water 1

Step 5. Evolve Cold Resistance 1 or Heat Resistance 1; the opposite climate of your starting country. (e.g. if you started in Egypt you would evolve Cold Resistance 1).

You should be gaining DNA Points by now. Make sure you save them up for later though!

Step 6. Evolve Air 2 and Water 2.

Step 7. Evolve Insect 1 and Extreme Bioaerosol.

Your disease should be spreading like mad now. When you get the message 'No more healthy people left in the world', you know it's time!

Stage 3: Kill

Step 8. Devolve all Transmissions for extra DNA Points

Step 9. Evolve the following in order:

Coughing

Pneumonia

Pulmonary Fibrosis

Total Organ Failure

Insomnia

Paranoia

Devolve Insomnia

Evolve Coma

You should've had enough for all of those because if you popped all the red and orange bubbles and devolved all symptoms you should have at least twice the amount you needed.

Step 10. Evolve Genetic Hardening 1, Genetic ReShuffle 1 and Genetic Hardening 2

Step 11. Evolve

Anaemia

Haemophilia

Internal Haemorrhaging

Hemorrhagic Shock

Watch as the last few people hopelessly die. Watch as the screen with the words 'Victory! *your disease name here* has successfully eliminated all life on earth. Watch as you leap up into the air and scream 'YES!!! THANK YOU TERRA VERSO!!!' Drop your device and then realise that it was just Bacteria on Casual.

THIS STRATEGY WORKS ON EVERY DIFFICULTY EXCEPT MEGA-BRUTAL

(as mentioned earlier)

This strategy was made by Terra Verso

Strategy 5

Works in Casual, Normal and Brutal.

Genes:

DNA: Cytochrome Surge

Mutation: Genetic Mimic

Travel: Aquacyte

Environment: Extremophile

Evolution: Patho-Stasis


Stage 1: Infection

Start in Saudi Arabia.

Evolve Bacterial Resilience 1, Bacterial Resilience 2 and Bacterial Resilience 3, Cold Resistance 1 and Cold Resistance 2, Heat Resistance 1 and Heat Resistance 2, and Environmental Hardening in that order.

ONLY DEVOLVE LETHAL SYMPTOMS

Evolve Drug Resistance 1, then Genetic Hardening 1 and Genetic Hardening 2. If Air filters or New Ship Cleaning Teqniques come into effect, evolve the respective Transmission.

Evolve Drug Resistance 2

If at any point people find your disease, evolve as many tier 1 or tier 2 symptoms as you like for that sweet, sweet DNA, and you should also allow all mutations.


Stage 2: Killing

Wait for all countries to have at least 100 people infected.

Evolve Skin Lesions (if you don't have it already), Necrosis, Hemorrhagic Shock and up to Coma through Total Organ Failure

Watch the world burn.

If at any point the cure reaches over 75% completion, evolve the next Genetic Shuffle ability.

Strategy 6

This strategy works well on Mega-Brutal difficulty

  1. Choose Sympto-Stasis, Aquacyte, Catalytic Switch, Genetic Mimic, any environment gene. Start in Saudi Arabia
  2. Evolve Cysts, Abscesses, Rash, Sweating and Skin Lesions in any order.
  3. Evolve Coughing, Pneumonia, Sneezing, Hypersensitivity, Insomnia, Paranoia, Nausea, Vomiting and Diarrhoea in any order.
  4. Evolve Air 1, Air 2, Water 1 and Water 2 in any order.
  5. Evolve Heat 1, Cold 1, Cold 2, Drug Resistance 1, Necrosis and Drug Resistance 2 in any order.
  6. When Greenland is infected, evolve Dysentery, Anaemia and any symptom that isn't too lethal.
  7. When greenland is nearly infected, evolve more lethal symptoms
  8. Evolve the genetic reshuffles.
-User:Maxewell124

Start in Saudi Arabia. It has a major airport and seaport network. However, it is not rich, meaning it will not use medicine. Your disease will also get automatic Heat Resistance 1 and Heat Resistance 2. Coughing and Sneezing are contagious symptoms with little severity. Recommended transmissions are Air 1 and Air 2. Get Cold Resistance 1, Cold Resistance 2, Drug Resistance 1, and Drug Resistance 2, as well as Water 1 and Water 2 once you get to rich, wealthy, cold, and humid countries, such as Europe. At this point, you are good to go. Once Greenland and the rest of the world is fully infected go for lethal symptoms. The most powerful of them should be Total Organ Failure. Once the Cure is around 30%, go for Genetic Hardening 1, Genetic Hardening 2, Genetic ReShuffle 1, Genetic ReShuffle 2, and Genetic ReShuffle 3. And you have eradicated humans.

Strategy 8

Basic Information

Strategy for Bacteria

  • Author: Blackfriday745
  • Difficulty: Brutal, Normal or Casual
  • Time: A 99.99% Win Rate.
    • Casual: 310-365 Days
    • Normal: 375-425 Days
    • Brutal: 435-455 Days (Untested)

Genetic Code

Genes are not needed but if used in Brutal, Sympto-Stasis and Patho-Stasis are strongly recommended. Aerocyte and Aquacyte will increase your speed, so they are also recommended. It depends if you want to go for Urbophile or Extremophile, and to get this much DNA, Metabolic Jump might also be ideal. Does not work on Mega Brutal.

Part 1: Transmissions

1. Start in Saudi Arabia

2. Save up 19 points and evolve Air 1 and Water 1

3. Evolve Rash, Sweating and Skin Lesions

4. Evolve the following symptoms once Saudi Arabia is almost fully infected:

Note: If your disease gets noticed, do not worry. Since Severity is not too high the cure will not go that fast.

4. Once you get into Europe, save up 79 points to go for 2 levels of Cold Resistance and finish the water and air tree by going for Extreme Bioaerosol.

5. Go for Drug Resistance 1,2 and (optional)Genetic Hardening 1

6. Wait till every country has at least 1 infected, and 80% of the world is infected. (To get to Greenland, make sure the Nordic countries have hit critical mass so they can send infected ships into that seaport. If Greenland closes seaports, restart.)

Part 2: Killing

1. Evolve Necrosis

2. Save up approximately 47 DNA points to go for Coughing-Pneumonia(if you do not already have this)-Pulmonary Fibrosis-Total Organ Failure

3. Wait till the whole world is infected. 4.(optional) Go for Dysentery and/or Hemorrhagic Shock

  1. Note: This might provide too much Lethality. It is not recommended to do so if you do not follow Step 3 and the whole world is not 100% infected.

Part 3: Cure

1. Save up for Genetic ReShuffle 1 and (optional)Genetic ReShuffle 2 if: a) Humans are almost destroyed, so evolving will earn you more points b) Cure goes up over 50%

  1. Note: After evolving, if Lethality is too high that they kill faster and the whole world is not infected, devolve Total Organ Failure or else you will lose.

2. Wait for the bacteria to unleash armageddon on the world!

If you followed this correctly, you should get at least 3 biohazards out of this. However, this strategy is not recommended in Mega Brutal because of the random medical checks.

Gallery

The strategy below was made by: SomeRandomPolandBaller

This works in Casual, Normal, and maybe Brutal

  • Start in China
  • Build to 20 DNA
  • Evolve some transmissions like Water I and Air I
  • Devolve ANY mutated symptoms
  • Build to 50 DNA
  • Complete the Water-Air tree
  • Build to 20
  • Evolve Bacterial Resilience and Drug Resistance
  • Wait for the world to be infected, save up to 47
  • Then, after the world is infected, evolve all the way up to Total Organ Failure for a cost of 47 DNA
  • Build up all you want, evolve any symptoms you like
  • Now kill off the world

NOTES:

If you can't complete the Water-Air Tree, build up your DNA again

- SomeRandomPolandBaller

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