10 Free Game Marketing & Promotion Tools (2026 Edition)

10 Free Game Marketing & Promotion Tools (2026 Edition)

Discover the best free marketing and promotion tools for indie game developers. Complete list with analytics, social media, email marketing, and community building tools.

11 Free steamcmd SteamGuard and Depot Owner Validation Tools Before October setlive (2026)

11 Free steamcmd SteamGuard and Depot Owner Validation Tools Before October setlive (2026)

October fest stack for verifying Steamworks partner login, SteamGuard hygiene, and depot ownership before setlive—so DepotOwnedByOtherAccount is not misread as a SteamPipe queue stall—plus the Steamworks hub for festival context.

12 Free Blender Fab to Godot 4.5 glTF Scale and Import Proof Tools (2026)

12 Free Blender Fab to Godot 4.5 glTF Scale and Import Proof Tools (2026)

July 2026 bookmark list for Fab environment kits—Blender apply-transform discipline, glTF export without 0.01 speck imports, Godot 4.5 import scale proof, and fab_pipeline_receipt scale row before fest expansion.

12 Free Construct 3 NW.js Steam Export Save-Path and AppData Resources (2026)

12 Free Construct 3 NW.js Steam Export Save-Path and AppData Resources (2026)

June 2026 bookmark list for Construct 3 NW.js fest demos—Storage extension, package.json name locks, AppData localStorage paths, save_path_map.json, and branch promotion gates before October uploads.

12 Free Defold GDevelop and Ren'Py Steam Save-Path Audit Templates and References (2026)

12 Free Defold GDevelop and Ren'Py Steam Save-Path Audit Templates and References (2026)

May 2026 bookmark list for multi-engine fest save-path audits—Defold save.root, GDevelop storage, Ren'Py persistent and build classification, collection_map and save_root_map JSON templates, Steam Cloud, and branch promotion gates.

12 Free Game Development Events & Conferences (2026)

12 Free Game Development Events & Conferences (2026)

Discover 12 free game development events, conferences, and networking opportunities for indie developers, students, and professionals in 2026.

12 Free GameMaker Studio 2 Steam Demo Export and Save Sanity Resources (2026)

12 Free GameMaker Studio 2 Steam Demo Export and Save Sanity Resources (2026)

June 2026 bookmark list for GameMaker fest demos—Windows Steam export, %LOCALAPPDATA% save roots, save_path_map.json, gamemaker_steam_export_receipt_v1.json, and branch gates before October uploads.

12 Free GitHub Actions Unity Library Cache and Addressables False Green Debug Tools (2026)

12 Free GitHub Actions Unity Library Cache and Addressables False Green Debug Tools (2026)

October 2026 Unity CI stack for busting stale Library cache, hashing AddressablesContentState, and catching InvalidKeyException before fest promotion.

12 Free Steam Deck Battery and OLED Verification Tools for Fest Demos (2026)

12 Free Steam Deck Battery and OLED Verification Tools for Fest Demos (2026)

June 2026 bookmark list for Steam Deck OLED idle menu battery drain—MangoHud, Gamescope, Deck Verified docs, menu_fps_cap_receipt idle_power_smoke_pass, distinct from compat-only testing lists.

12 Free Steam Playtest Invite vs Fest Demo Branch Isolation Runbooks and Tools (2026 H2)

12 Free Steam Playtest Invite vs Fest Demo Branch Isolation Runbooks and Tools (2026 H2)

May 2026 bookmark list for isolating Steam Playtest invites, beta FFA, and fest_public demo surfaces—Steamworks Playtest docs, playtest_scope_map_v1.json, BUILD_RECEIPT surface column, and isolation receipt gates.

12 Free Wwise Windows Packaged Build DSP Plugin Path Resources (2026)

12 Free Wwise Windows Packaged Build DSP Plugin Path Resources (2026)

July 2026 bookmark list for Wwise fest demos on Steam—Plugins/Wwise x64 DSP copy, AK::SoundEngine::Init smoke on clean VM, wwise_dsp_init_receipt_v1.json, and audio_bank_receipt gates before upload.

12 Free itch.io HTML5 Upload Receipt and WASM MIME Cross-Check Tools (2026)

12 Free itch.io HTML5 Upload Receipt and WASM MIME Cross-Check Tools (2026)

July 2026 bookmark list for itch HTML5 fest demos—curl -I WASM MIME proof, wasm_mime_receipt_v1.json, GX multi-channel build_label rows, and CI fail-closed before sharing the play link.