Main tactic: summoning Code Talkers and combine with Cynet Codec to reinforce your hand. There's a slim chance you'll manage to create Extra Link pretty fast.
Recommended cards: Generator for sending Dotscaper on Gy, Exporter to retrieve a supplies, and Micro Coder to get Cynet cards for accelerate main tactic or block troublesome opponent' counterattack (for example Cynet Conflict or Cynet Backdoor). Decode Talker Heatsoul can help you replenish your hand, but use careful since force you to pay 1000 for card draw. 3 Recorded Alive and Limit Code can help you create a solid defense. Pot of Avarice and Jar of Avarice are important to retrieve non-properly summoned Code Talkers and replenish your hand.
Advice: Keep Talkback Lancer in emergency in case you're need Transcode to revive a Code comrades. If you'll create Extra Link and your opponent have nothing to protect himself/herself, use Zero Extra Link and deliver a final strike to end a duel with honor.