diff --git a/.rubocop_gradual.lock b/.rubocop_gradual.lock
index 4b2c047..7d421b0 100644
--- a/.rubocop_gradual.lock
+++ b/.rubocop_gradual.lock
@@ -22,17 +22,14 @@
     [50, 5, 269, "Style/ClassMethodsDefinitions: Use `class << self` to define a class method.", 4255608859],
     [71, 5, 614, "Style/ClassMethodsDefinitions: Use `class << self` to define a class method.", 574527918]
   ],
-  "lib/turbo_tests/reporter.rb:1386902608": [
-    [7, 5, 400, "Style/ClassMethodsDefinitions: Use `class << self` to define a class method.", 2092085575]
-  ],
-  "lib/turbo_tests/runner.rb:2125673792": [
+  "lib/turbo_tests/runner.rb:3852406545": [
     [13, 5, 271, "Style/ClassMethodsDefinitions: Use `class << self` to define a class method.", 21989008],
-    [20, 5, 1311, "Style/ClassMethodsDefinitions: Use `class << self` to define a class method.", 1925027850],
-    [241, 11, 10, "ThreadSafety/NewThread: Avoid starting new threads.", 3411682361],
-    [260, 47, 6, "Style/GlobalStdStream: Use `$stderr` instead of `STDERR`.", 3356712163],
-    [262, 21, 10, "ThreadSafety/NewThread: Avoid starting new threads.", 3411682361],
-    [271, 7, 10, "ThreadSafety/NewThread: Avoid starting new threads.", 3411682361],
-    [331, 9, 6, "Style/GlobalStdStream: Use `$stdout` instead of `STDOUT`.", 3356722952]
+    [20, 5, 1400, "Style/ClassMethodsDefinitions: Use `class << self` to define a class method.", 1925027850],
+    [245, 11, 10, "ThreadSafety/NewThread: Avoid starting new threads.", 3411682361],
+    [264, 47, 6, "Style/GlobalStdStream: Use `$stderr` instead of `STDERR`.", 3356712163],
+    [266, 21, 10, "ThreadSafety/NewThread: Avoid starting new threads.", 3411682361],
+    [275, 7, 10, "ThreadSafety/NewThread: Avoid starting new threads.", 3411682361],
+    [335, 9, 6, "Style/GlobalStdStream: Use `$stdout` instead of `STDOUT`.", 3356722952]
   ],
   "spec/cli_spec.rb:3990998076": [
     [1, 1, 30, "RSpec/SpecFilePathFormat: Spec path should end with `turbo_tests/cli*_spec.rb`.", 965721356],
diff --git a/README.md b/README.md
index f0de0c3..c23b7c2 100644
--- a/README.md
+++ b/README.md
@@ -109,12 +109,18 @@ Options:
         --print_failed_group         Prints group that had failures in it
 ```
 
-To pass any options supported by paralell_tests, use `--` :
+To pass any options supported by paralell_tests, use `--`:
 
 ```bash
 bundle exec turbo_tests -n 4 -- --only-group 1 --pattern spec/system
 ```
 
+`turbo_tests` supports custom formatter such as Fuubar, but you might need to require it:
+
+```bash
+bundle exec turbo_tests -r fuubar -f Fuubar spec/whatever
+```
+
 ## Development
 
 After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.
diff --git a/lib/turbo_tests/reporter.rb b/lib/turbo_tests/reporter.rb
index 472e510..acd2f76 100644
--- a/lib/turbo_tests/reporter.rb
+++ b/lib/turbo_tests/reporter.rb
@@ -3,26 +3,27 @@
 module TurboTests
   class Reporter
     attr_writer :load_time
+    attr_reader :pending_examples, :failed_examples
+
+    class << self
+      def from_config(formatter_config, start_time, seed, seed_used, files, parallel_options)
+        reporter = new(start_time, seed, seed_used, files, parallel_options)
 
-    def self.from_config(formatter_config, start_time, seed, seed_used)
-      reporter = new(start_time, seed, seed_used)
+        formatter_config.each do |config|
+          name, outputs = config.values_at(:name, :outputs)
 
-      formatter_config.each do |config|
-        name, outputs = config.values_at(:name, :outputs)
+          outputs.map! do |filename|
+            (filename == "-") ? $stdout : File.open(filename, "w")
+          end
 
-        outputs.map! do |filename|
-          (filename == "-") ? $stdout : File.open(filename, "w")
+          reporter.add(name, outputs)
         end
 
-        reporter.add(name, outputs)
+        reporter
       end
-
-      reporter
     end
 
-    attr_reader :pending_examples, :failed_examples
-
-    def initialize(start_time, seed, seed_used)
+    def initialize(start_time, seed, seed_used, files, parallel_options)
       @formatters = []
       @pending_examples = []
       @failed_examples = []
@@ -33,6 +34,8 @@ def initialize(start_time, seed, seed_used)
       @seed_used = seed_used
       @load_time = 0
       @errors_outside_of_examples_count = 0
+      @files = files
+      @parallel_options = parallel_options
     end
 
     def add(name, outputs)
diff --git a/lib/turbo_tests/runner.rb b/lib/turbo_tests/runner.rb
index dce9a6d..1bb7117 100644
--- a/lib/turbo_tests/runner.rb
+++ b/lib/turbo_tests/runner.rb
@@ -43,10 +43,12 @@ def self.run(opts = {})
 
       warn("VERBOSE") if verbose
 
-      reporter = Reporter.from_config(formatters, start_time, seed, seed_used)
+      reporter = Reporter.from_config(formatters, start_time, seed, seed_used, files, parallel_options)
 
       new(
         reporter: reporter,
+        formatters: formatters,
+        start_time: start_time,
         files: files,
         tags: tags,
         runtime_log: runtime_log,
@@ -62,12 +64,14 @@ def self.run(opts = {})
       ).run
     end
 
-    def initialize(opts)
+    def initialize(**opts)
+      @formatters = opts[:formatters]
       @reporter = opts[:reporter]
       @files = opts[:files]
       @tags = opts[:tags]
       @verbose = opts[:verbose]
       @fail_fast = opts[:fail_fast]
+      @start_time = opts[:start_time]
       @count = opts[:count]
       @seed = opts[:seed]
       @seed_used = opts[:seed_used]