You will need ETH on Base. Use the official Base Bridge to deposit some ETH on Base.
Go to Chainlist and add the Base network.
Start by minting a free commemorative NFT on Zora.
Go to BaseSwap and swap some ETH for WETH or USDC.
Go to PancakeSwap and swap back your USDC/WETH back to ETH.
Go to the mint fun platform and mint a NFT on Base for free.
Go to Aerodrome and swap ETH back to WETH.
Go to Uniswap, choose Base chain and swap your WETH back to ETH.
Go to the Seamless protocol and deposit some ETH (recommended minimum $100).
Go to Moonwell finance and deposit some ETH (recommended minimum $100).
Go to ExtraFi and deposit some ETH (recommended minimum $100).
Go to Beefy and deposit some ETH (recommended minimum $100).
Go to Stargate finance and bridge some ETH from Base to another chain (recommended Linea).
Go to SushiSwap, select cross-chain transfer and bridge some ETH from the other chain back to Base.
Mint the Smart Wallet commemorative NFT on Coinbase.
Head over to base name system and mint your own Base Name.
Check your On Chain Score.