Heavy Impact 4: 50M critical hits

• Doable after several months of regular gameplay.
• No problem.

Heavy Impact 5: 5.0B critical hits

• Park at an unkillable boss.
• Permanent Shadow Swarm.
• Permanent Genetic Split + Tertiary Fission gene
• Permanent Smokescreen.
• Permanent Queen Frenzy w/ spawn Talent.
• All 33 queens + AppX crab.
• Both Laser and Gunner Crab genes.
• Both Amethyst Strand genes.
• Permanent Tapper Crab.
• A finger on the screen 24/7 and infinite pearls for Tapper Crab.

• Total 155.9 crit hits / second
• Total 367.5 days to reach 5 billion after completing Heavy Impact 4.
• Total 13.2M pearls for Tapper (if bought, approx. $95k USD).

Regular gameplay: Much, much, much longer because if you're insta-killing reptiles you're getting 1 crit hit every 1.2 seconds, or less if you run Poison Cloud since it does not crit.

Reward

50 pearls.