I use custom playbook for offense ,but I prefer Multiple Defense or Multiple 4-3. I created 6 offensive playbooks.
1. Singleback- One Back
Formations
Ace- 9
Pistol- 3
Shotgun- 3
All formations have one rb while most of them have two tigh ends while some of them have 3 wrs aka slot.
2. Heavy Gun- Air Raid
Shotgun- 16
It doesn't have options ,so it has traditional running game ,but it does have some qb draws ,though. That's because it's base on pocket passer not scrambler or balance.
3. RNS- Run n' Shoot
Ace- 2
Shotgun- 10
Pistol- 3
All formations have one rb and 4 receivers. It doesn't have goalline ,so you will have to rely on shotgun. Oh, it does have options, though. Weird, RNS used to have load of Ace formations ,but there are only two that have 4 wrs now.
4. Power Run- Multiple
I-Form- 4
Strong I- 2
Weak I- 2
Power I- 2
Shotgun- 3
This is basically 1980's i.e. SMU, Georgia, etc, However, it does have shotgun formations ,but they're rather related to hurry up or long yards. Of course, it will always have 2 rbs and te except Shotgun that have slot receiver while Piower I has 3 rbs.
5. 1980's Pro
I-Form- 3
Strong I- 3
Weak I- 3
Split Backs- 2
Shotgun- 4
This is basically 1980's NFL who rejected theory of modern offense i.e. RNS, Spread, one back etc. It usually has 2 rbs and tight end while some of them do have slot wr. You know 1980's had load of split back plays ,but SBs have only 24 plays. I remember Split Back has Jumbo, Tight, Close, and Trio formations
6. Heavy Run- Option
Flexbone- 3
I-Form- 5
Pistol- 3
Shotgun-1
Strong I- 2
Weak I- 2
Unlike Paul Johnson's Flexbone, it's sort of I-option and Flexbone combine. Oh, Pistol has Fullhouse and 2 Flexbones while only one shotgun that will use for emergency situation i.e. hurry up or long situation. I was disappoint that Flexbone doesn't have many formations with tight ends.